{"id":4600,"date":"2024-12-30T16:05:21","date_gmt":"2024-12-30T15:05:21","guid":{"rendered":"https:\/\/www.swissmains.com\/?page_id=4600"},"modified":"2026-05-20T13:51:18","modified_gmt":"2026-05-20T12:51:18","slug":"gms-iv","status":"publish","type":"page","link":"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/","title":{"rendered":"GMS-IV"},"content":{"rendered":"<div class=\"n2_clear\"><ss3-force-full-width data-overflow-x=\"body\" data-horizontal-selector=\"body\"><div class=\"n2-section-smartslider fitvidsignore  n2_clear\" data-ssid=\"4\"><div id=\"n2-ss-4-align\" class=\"n2-ss-align\"><div class=\"n2-padding\"><div id=\"n2-ss-4\" data-creator=\"Smart Slider 3\" data-responsive=\"fullwidth\" class=\"n2-ss-slider n2-ow n2-has-hover n2notransition  \">\n        <div class=\"n2-ss-slider-1 n2_ss__touch_element n2-ow\">\n            <div class=\"n2-ss-slider-2 n2-ow\">\n                                                <div class=\"n2-ss-slider-3 n2-ow\">\n\n                    <div class=\"n2-ss-slide-backgrounds n2-ow-all\"><div class=\"n2-ss-slide-background\" data-public-id=\"1\" data-mode=\"fill\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"100\" data-alt=\"\" data-title=\"\" style=\"--ss-o-pos-y:100%\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/Header_clip.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div class=\"n2-ss-slide-background\" data-public-id=\"2\" data-mode=\"fill\" aria-hidden=\"true\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"100\" data-alt=\"\" data-title=\"\" style=\"--ss-o-pos-y:100%\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/Header_clip3.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div class=\"n2-ss-slide-background\" data-public-id=\"3\" data-mode=\"fill\" aria-hidden=\"true\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"80\" data-alt=\"\" data-title=\"\" style=\"--ss-o-pos-y:80%\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/Header_clip2.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><\/div>                    <div class=\"n2-ss-slider-4 n2-ow\">\n                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1200 450\" data-related-device=\"desktopPortrait\" class=\"n2-ow n2-ss-preserve-size n2-ss-preserve-size--slider n2-ss-slide-limiter\"><\/svg><div data-first=\"1\" data-slide-duration=\"0\" data-id=\"27\" data-slide-public-id=\"1\" data-title=\"Header_clip\" class=\"n2-ss-slide n2-ow  n2-ss-slide-27\"><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">Header_clip<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-06gQSmJZPEfL\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"39\" data-slide-public-id=\"2\" aria-hidden=\"true\" data-title=\"Header_clip3\" class=\"n2-ss-slide n2-ow  n2-ss-slide-39\"><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">Header_clip3<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-VtWIwzoU7lIU\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"38\" data-slide-public-id=\"3\" aria-hidden=\"true\" data-title=\"Header_clip2\" class=\"n2-ss-slide n2-ow  n2-ss-slide-38\"><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">Header_clip2<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-GSffTG8mNrVU\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div>                    <\/div>\n\n                                    <\/div>\n            <\/div>\n        <\/div>\n        <\/div><ss3-loader><\/ss3-loader><\/div><\/div><div class=\"n2_clear\"><\/div><\/div><\/ss3-force-full-width><\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\">\n<h1 class=\"wp-block-heading\">GMS-IV Series<\/h1>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>GMS-IV is a low-noise measuring preamplifier for monitoring gas insulated switchgear (GIS).<\/p>\n\n\n<div class=\"n2-section-smartslider fitvidsignore  n2_clear\" data-ssid=\"71\"><div id=\"n2-ss-71-align\" class=\"n2-ss-align\"><div class=\"n2-padding\"><div id=\"n2-ss-71\" data-creator=\"Smart Slider 3\" data-responsive=\"auto\" class=\"n2-ss-slider n2-ow n2-has-hover n2notransition   n2-ss-slider-carousel-animation-horizontal\">\n\n\n\n\n\n<div class=\"n2-ss-slider-wrapper-outside\" style=\"grid-template-rows:1fr auto\">        <div class=\"n2-ss-slider-1 n2_ss__touch_element n2-ow\">\n            <div class=\"n2-ss-slider-2 n2-ow\">\n                                <div class=\"n2-ss-slider-3 n2-ow\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1200 600\" data-related-device=\"desktopPortrait\" class=\"n2-ow n2-ss-preserve-size n2-ss-preserve-size--slider n2-ss-slide-limiter\" style=\"max-width:1200px\"><\/svg>                    <div class=\"n2-ss-slider-pane n2-ow\">\n                        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 600 400\" class=\"n2-ow n2-ss-preserve-size n2-ss-slide-limiter\"><\/svg>\n                        <div data-first=\"1\" data-slide-duration=\"0\" data-id=\"243\" data-slide-public-id=\"1\" data-title=\"GMS-IV-50dB\" class=\"n2-ss-slide  n2-ss-slide-243 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"1\" data-mode=\"fill\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/GMS-IV-50dB.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">GMS-IV-50dB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-D6Wjp8n1XHMD\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div>                    <\/div>\n                <\/div>\n                            <\/div>\n        <\/div>\n        <div class=\"n2-ss-slider-controls n2-ss-slider-controls-below\"><div data-width-percent=\"100\" class=\"n2-ss-widget nextend-thumbnail nextend-thumbnail-default nextend-thumbnail-horizontal n2-ow-all\" data-hide-mobilelandscape=\"1\" data-hide-mobileportrait=\"1\" style=\"width:100%;\" data-has-next=\"0\" data-has-previous=\"0\"><div class=\"nextend-thumbnail-inner n2-style-c6a1924564f724b719b2fa72750ff1ea-simple \"><div class=\"nextend-thumbnail-scroller n2-align-content-center\" style=\"grid-template-rows:repeat(1, 1fr)\"><div class=\"n2-thumbnail-dot n2-style-8ad5048b81c3c254e5a4ea951ba18f46-dot \" data-slide-public-id=\"1\" role=\"button\" aria-label=\"GMS-IV-50dB\" tabindex=\"0\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" alt=\"GMS-IV-50dB\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/GMS-IV-50dB.jpg\" width=\"100\" height=\"60\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\" \/><\/picture><\/div><\/div><\/div><div class=\"nextend-thumbnail-button nextend-thumbnail-previous\"><img decoding=\"async\" width=\"26\" height=\"26\" style=\"width:26px;transform:rotateZ(-90deg);\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\" src=\"data:image\/svg+xml;base64,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\" alt=\"previous arrow\"><\/div><div class=\"nextend-thumbnail-button nextend-thumbnail-next\"><img decoding=\"async\" width=\"26\" height=\"26\" style=\"width:26px;transform:rotateZ(-90deg);\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\" src=\"data:image\/svg+xml;base64,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\" alt=\"next arrow\"><\/div><\/div><\/div><\/div><\/div><ss3-loader><\/ss3-loader><\/div><\/div><div class=\"n2_clear\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>30 dB &#8211; 50 dB<\/strong><br>Gain<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 99%)\">\n<p class=\"has-text-align-center\"><strong>100 MHz &#8211; 2.2 GHz<\/strong><br>Frequency Range<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>12 V &#8211; 18 V<\/strong><br>Power Supply<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>More Specifications<\/strong><\/summary>\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>238 mA<\/strong><br>Supply Current<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>&gt;- 39 dB<\/strong><br>Protection Level<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>0 &#8230; 70 \u00b0C<\/strong><br>Operating Temperature<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>420 g<\/strong><br>Weight<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 98%)\">\n<p class=\"has-text-align-center\"><strong>121 mm x 45 mm<\/strong><br>Dimensions<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/#technischedaten\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\"><strong>&#8230;<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n<\/details>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full rounded-col kpi-card\"><img loading=\"lazy\" decoding=\"async\" width=\"946\" height=\"614\" src=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/image-30.png\" alt=\"\" class=\"wp-image-7513\" srcset=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/image-30.png 946w, https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/image-30-300x195.png 300w, https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/image-30-768x498.png 768w\" sizes=\"auto, (max-width: 946px) 100vw, 946px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button rounded-col kpi-card\" id=\"beschreibung\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/#beschreibung\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\"><strong>Description<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button rounded-col kpi-card\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/#features\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\"><strong>Features<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button rounded-col kpi-card\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/#technischedaten\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\"><strong>Technical Specifications<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button rounded-col kpi-card\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/#varianten\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\"><strong>Variations<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button rounded-col kpi-card\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/#download\" style=\"border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\"><strong>Download Material<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Description<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p>GMS-IV is a low-noise measuring preamplifier for monitoring gas insulated switchgear (GIS). This amplifier technology allows to detect the broadband transmissions small defects or impurities in the GIS. Thus, vulnerabilities can be detected early and damage can be avoided. The amplifiers are powered via the coaxial cable at the output. A protective circuit at the input prevents the destruction by excessive input power.<\/p>\n\n\n\n<p id=\"features\">Trusted by manufacturers and <a href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/#customers\" type=\"page\" id=\"23\">commissioning organisations<\/a> around the world.<br>When do you switch to our GMS-IV?<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Features<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p>\ud83d\udcc8 <strong>Various gains<\/strong><\/p>\n\n\n\n<p>\u2194\ufe0f <strong>Wide bandwidth (100 MHz \u2013 2.2 GHz)<\/strong><\/p>\n\n\n\n<p>\u26a1 <strong>Additional surge protection<\/strong><\/p>\n\n\n\n<p>\ud83d\udd0c <strong>External power supply<\/strong><\/p>\n\n\n\n<p>\ud83e\udde9 <strong>Compact design<\/strong><\/p>\n\n\n\n<p>\ud83d\udfe2 <strong>Status LED<\/strong><\/p>\n\n\n\n<p>\ud83d\udca7 <strong>Splash-proof version<\/strong><\/p>\n\n\n\n<p id=\"technischedaten\"> \ud83c\udde8\ud83c\udded <strong>Swiss quality<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Technical Specifications<\/h2>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<p><strong>Electrical Specifications<\/strong>:<br>Gain<br>Frequency Range<br>Power Supply<br>Supply Current<br>Protection Level<br>Operating Temperature<br>Noise Figure<br>Maximum Output Power<br><strong>Absolute Maximum Ratings Min. \/ Max.<\/strong><br>Power Supply<br>Storage Temperature<\/p>\n\n\n\n<p><strong>Mechanical Specifications:<\/strong><br>Length<br>Width\/Height<br>Weight<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<p><br><strong>50 dB<\/strong><br><strong>100 MHz &#8211; 2.2 GHz<\/strong><br><strong>12 V &#8211; 18 V<\/strong><br><strong>238 mA (with 15 V power supply)<\/strong><br><strong>&gt;- 39 dBm<\/strong><br><strong>0 &#8230; 70 \u00b0C<\/strong><br><strong>5 dB<\/strong><br><strong>10 dBm (only with 50 dB Gain)<\/strong><br><br><strong>-10 V \/ 26 V<\/strong><br><strong>-65 \u00b0C \/ 150 \u00b0C<br><\/strong><\/p>\n\n\n\n<p id=\"varianten\"><br><strong>121 mm<br>45 mm<br>420 g<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Variations<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>GMS-IV-50 dB-MF<\/strong><br>50 dB Gain<br>Ord.-Nr.: SMT-55-0018<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: <strong>Yes<\/strong><br><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong><strong>GMS-IV-45 dB-MF<\/strong><\/strong><br>45 dB Gain<br>Ord.-Nr.: SMT-55-0019<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong><strong>GMS-IV-40 dB-MF<\/strong><\/strong><br>40 dB Gain<br>Ord.-Nr.: SMT-55-0020<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong><strong>GMS-IV-35 dB-MF<\/strong><\/strong><br>35 dB Gain<br>Ord.-Nr.: SMT-55-0021<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong><strong>GMS-IV-30 dB-MF<\/strong><\/strong><br>30 dB Gain<br>Ord.-Nr.: SMT-55-0022<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\"><\/a><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>GMS-IV-50 dB-MFP<\/strong><br>with external power supply<br>Ord.-Nr.: SMT-55-0023<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\"><\/a><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>GMS-IV-30 dB-MFP<\/strong><br>with external power supply<br>Ord.-Nr.: SMT-55-0027<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\"><\/a><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>GMS-IV-50 dB-FMP<\/strong><br>reversed connections &amp; external power supply<br>Ord.-Nr.: SMT-55-0048<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\"><\/a><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center rounded-col kpi-card has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background:linear-gradient(135deg,rgb(248,248,248) 0%,rgb(246,246,246) 100%)\">\n<p class=\"has-text-align-center\"><strong>GMS-IV-30 dB-MF12P-IP65<\/strong><br>Splash-proof<br>Ord.-Nr.: SMT-55-0057<\/p>\n\n\n\n<p class=\"has-text-align-center\">Stocked: No<br><a href=\"mailto:info@swissmains.com\"><a href=\"mailto:info@swissmains.com\"><\/a><a href=\"mailto:info@swissmains.com\">Request an offer<\/a><\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"download\">Download Material<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60px\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"984\" src=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2024\/10\/PDF_file_icon.svg.png\" alt=\"\" class=\"wp-image-2052\" style=\"width:60px\" srcset=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2024\/10\/PDF_file_icon.svg.png 800w, https:\/\/www.swissmains.com\/wp-content\/uploads\/2024\/10\/PDF_file_icon.svg-244x300.png 244w, https:\/\/www.swissmains.com\/wp-content\/uploads\/2024\/10\/PDF_file_icon.svg-768x945.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<p><a href=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2021\/12\/Datasheet_GMS.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Datasheet (engl.)_GMS-IV<\/a><br><a href=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/GMS_IV_Application-manual_V1.1_en.pdf\" type=\"link\" id=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/GMS_IV_Application-manual_V1.1_en.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Application Manual (engl.)_GMS-IV Products<\/a><br><a href=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2021\/12\/cigre_2018.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">CIGRE_2018_Article<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\"><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-alpha-channel-opacity has-background\" style=\"background-color:#da251d;color:#da251d\"\/>\n\n\n<div class=\"n2_clear\"><ss3-force-full-width data-overflow-x=\"body\" data-horizontal-selector=\"body\"><div class=\"n2-section-smartslider fitvidsignore  n2_clear\" data-ssid=\"76\"><div id=\"n2-ss-76-align\" class=\"n2-ss-align\"><div class=\"n2-padding\"><div id=\"n2-ss-76\" data-creator=\"Smart Slider 3\" data-responsive=\"fullwidth\" class=\"n2-ss-slider n2-ow n2-has-hover n2notransition   n2-ss-slider-carousel-animation-horizontal\">        <div class=\"n2-ss-slider-1 n2_ss__touch_element n2-ow\">\n            <div class=\"n2-ss-slider-2 n2-ow\" style=\"\">\n                                <div class=\"n2-ss-slider-3 n2-ow\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 4640 150\" data-related-device=\"desktopPortrait\" class=\"n2-ow n2-ss-preserve-size n2-ss-preserve-size--slider n2-ss-slide-limiter\" style=\"max-width:4640px\"><\/svg>                    <div class=\"n2-ss-slider-pane-single n2-ow\">\n                        <div class=\"n2-ss-slider-pipeline n2-ow\" style=\"--slide-width:300px;\">\n                            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 300 150\" class=\"n2-ow n2-ss-preserve-size n2-ss-slide-limiter\"><\/svg>\n                            <div data-first=\"1\" data-slide-duration=\"0\" data-id=\"269\" data-slide-public-id=\"1\" data-title=\"GMS-IV-50dB\" class=\"n2-ss-slide  n2-ss-slide-269 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"1\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/GMS-IV-50dB.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">GMS-IV-50dB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-EnE9wGt5NbsQ\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"267\" data-slide-public-id=\"2\" aria-hidden=\"true\" data-title=\"LPB\" class=\"n2-ss-slide  n2-ss-slide-267 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"2\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/LPB.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">LPB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-ETUiGx9y7yPg\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"270\" data-slide-public-id=\"3\" aria-hidden=\"true\" data-title=\"foto_CDG_c\" class=\"n2-ss-slide  n2-ss-slide-270 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"3\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2021\/12\/foto_CDG_c.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">foto_CDG_c<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-kcrdRDooxdEU\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"268\" data-slide-public-id=\"4\" aria-hidden=\"true\" data-title=\"PSG\" class=\"n2-ss-slide  n2-ss-slide-268 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"4\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/PSG.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">PSG<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-UQaBats9AJmD\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"266\" data-slide-public-id=\"5\" aria-hidden=\"true\" data-title=\"HF-Multiplexer\" class=\"n2-ss-slide  n2-ss-slide-266 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"5\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/HF-Multiplexer.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">HF-Multiplexer<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-klH58l0oZRDI\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"271\" data-slide-public-id=\"6\" aria-hidden=\"true\" data-title=\"GMS-IV-50dB\" class=\"n2-ss-slide  n2-ss-slide-271 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"6\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/GMS-IV-50dB.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">GMS-IV-50dB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-tAgQuhc0LVZ5\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"272\" data-slide-public-id=\"7\" aria-hidden=\"true\" data-title=\"LPB\" class=\"n2-ss-slide  n2-ss-slide-272 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"7\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/LPB.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">LPB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-rvwz0X058InJ\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"273\" data-slide-public-id=\"8\" aria-hidden=\"true\" data-title=\"foto_CDG_c\" class=\"n2-ss-slide  n2-ss-slide-273 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"8\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2021\/12\/foto_CDG_c.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">foto_CDG_c<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-ftPNlOTj1h9e\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"274\" data-slide-public-id=\"9\" aria-hidden=\"true\" data-title=\"PSG\" class=\"n2-ss-slide  n2-ss-slide-274 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"9\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/PSG.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">PSG<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-uITxgNZwtBw2\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"275\" data-slide-public-id=\"10\" aria-hidden=\"true\" data-title=\"HF-Multiplexer\" class=\"n2-ss-slide  n2-ss-slide-275 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"10\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/HF-Multiplexer.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">HF-Multiplexer<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-EHNmo9FxfBrI\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"337\" data-slide-public-id=\"11\" aria-hidden=\"true\" data-title=\"GMS-IV-50dB\" class=\"n2-ss-slide  n2-ss-slide-337 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"11\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2022\/02\/GMS-IV-50dB.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">GMS-IV-50dB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-Kep36R4C17b6\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"338\" data-slide-public-id=\"12\" aria-hidden=\"true\" data-title=\"LPB\" class=\"n2-ss-slide  n2-ss-slide-338 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"12\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/LPB.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">LPB<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-TwFOTDx9NWUC\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"339\" data-slide-public-id=\"13\" aria-hidden=\"true\" data-title=\"foto_CDG_c\" class=\"n2-ss-slide  n2-ss-slide-339 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"13\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2021\/12\/foto_CDG_c.jpg\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">foto_CDG_c<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-cAILe3KVNK7S\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"340\" data-slide-public-id=\"14\" aria-hidden=\"true\" data-title=\"PSG\" class=\"n2-ss-slide  n2-ss-slide-340 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"14\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/PSG.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">PSG<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-73lkPE8ZhoG4\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><div data-slide-duration=\"0\" data-id=\"341\" data-slide-public-id=\"15\" aria-hidden=\"true\" data-title=\"HF-Multiplexer\" class=\"n2-ss-slide  n2-ss-slide-341 n2-ow\"><div class=\"n2-ss-slide-background\" data-public-id=\"15\" data-mode=\"fit\"><div class=\"n2-ss-slide-background-image\" data-blur=\"0\" data-opacity=\"100\" data-x=\"50\" data-y=\"50\" data-alt=\"\" data-title=\"\"><picture class=\"skip-lazy\" data-skip-lazy=\"1\"><img decoding=\"async\" src=\"\/\/www.swissmains.com\/wp-content\/uploads\/2024\/11\/HF-Multiplexer.png\" alt=\"\" title=\"\" loading=\"lazy\" class=\"skip-lazy\" data-skip-lazy=\"1\"><\/picture><\/div><div data-color=\"RGBA(255,255,255,0)\" style=\"background-color: RGBA(255,255,255,0);\" class=\"n2-ss-slide-background-color\"><\/div><\/div><div role=\"note\" class=\"n2-ss-slide--focus\" tabindex=\"-1\">HF-Multiplexer<\/div><div class=\"n2-ss-layers-container n2-ss-slide-limiter n2-ow\"><div class=\"n2-ss-layer n2-ow n-uc-xIDZx94lLy0s\" data-sstype=\"slide\" data-pm=\"default\"><\/div><\/div><\/div><\/div>\n                    <\/div>\n                <\/div>\n                            <\/div>\n        <\/div>\n        <\/div><ss3-loader><\/ss3-loader><\/div><\/div><div class=\"n2_clear\"><\/div><\/div><\/ss3-force-full-width><\/div>","protected":false},"excerpt":{"rendered":"<p>GMS-IV Series GMS-IV is a low-noise measuring preamplifier for monitoring gas insulated switchgear (GIS). 30 dB &#8211; 50 dBGain 100 MHz &#8211; 2.2 GHzFrequency Range 12 V &#8211; 18 VPower Supply Description GMS-IV is a low-noise measuring preamplifier for monitoring gas insulated switchgear (GIS). This amplifier technology allows to detect the broadband transmissions small defects [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":4596,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4600","page","type-page","status-publish","hentry","post"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>GMS-IV - SMT Swiss Mains GmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GMS-IV - SMT Swiss Mains GmbH\" \/>\n<meta property=\"og:description\" content=\"GMS-IV Series GMS-IV is a low-noise measuring preamplifier for monitoring gas insulated switchgear (GIS). 30 dB &#8211; 50 dBGain 100 MHz &#8211; 2.2 GHzFrequency Range 12 V &#8211; 18 VPower Supply Description GMS-IV is a low-noise measuring preamplifier for monitoring gas insulated switchgear (GIS). This amplifier technology allows to detect the broadband transmissions small defects [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.swissmains.com\/en\/measurement-instrumentation-solutions\/gis-monitoring-products\/gms-iv\/\" \/>\n<meta property=\"og:site_name\" content=\"SMT Swiss Mains GmbH\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-20T12:51:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.swissmains.com\/wp-content\/uploads\/2026\/04\/image-30.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/\",\"url\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/\",\"name\":\"GMS-IV - SMT Swiss Mains GmbH\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.swissmains.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/image-30.png\",\"datePublished\":\"2024-12-30T15:05:21+00:00\",\"dateModified\":\"2026-05-20T12:51:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.swissmains.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/image-30.png\",\"contentUrl\":\"https:\\\/\\\/www.swissmains.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/image-30.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/measurement-instrumentation-solutions\\\/gis-monitoring-products\\\/gms-iv\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/www.swissmains.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Measurement &#038; 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