{"id":2031,"date":"2020-02-06T05:18:49","date_gmt":"2020-02-06T05:18:49","guid":{"rendered":"https:\/\/www.emcfastpass.com\/test-equipment\/?post_type=product&#038;p=2031"},"modified":"2026-03-19T19:50:47","modified_gmt":"2026-03-19T19:50:47","slug":"biconical-antenna","status":"publish","type":"product","link":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/","title":{"rendered":"Biconical Antenna for EMC\/EMI Pre-Compliance Testing &#8211; TBMA1"},"content":{"rendered":"<p>The TBMA1 is a small, lightweight, wideband biconical EMC\/EMI measurement antenna.<\/p>\n<p>With its moderate price, it is ideal for radiated noise EMC pre-compliance testing and for generating a defined field strength.<\/p>\n<p>It is characterized from 30 MHz to 1 GHz and has a directional pattern similar to a dipole.<\/p>\n<p>The TBMA1 comes in a solid beech wood case, together with a \u201cpistol-grip\u201d tripod. A standard \u00bc\u201d thread makes it easy to connect it to most standard tripods.<\/p>\n<p>The elements are corrosion resistant and constructively locked against rotation. They are fed via a wideband balun with 2 W power handling capability. Furthermore they are protected against build-up of static charge.<\/p>\n<h3>SPECIFICATION<\/h3>\n<ul>\n<li>Type: passive biconical<\/li>\n<li>Frequency range: 30 MHz \u2013 1000 MHz<\/li>\n<li>Nominal impedance: 50 \u03a9<\/li>\n<li>Maximum continuous input RF power: 2 W<\/li>\n<li>Connector: N type female<\/li>\n<li>Isotropic gain: -42.15 \u2026 1.78 dBi<\/li>\n<li>Antenna factor: 16.30 \u2026 41.91 dB\/m<\/li>\n<li>Voltage Standing Wave Ratio (VSWR) Max &lt; 2.8<\/li>\n<li>Length: 430 mm (17 \u201c) tip-to-tip<\/li>\n<li>Diameter: 160 mm (6.3 \u201c)<\/li>\n<li>Depth: 163 mm (6.4 \u201c) including housing<\/li>\n<li>Weight: 0.46 kg (1.01 lbs)<\/li>\n<li>Tripod Adapter Thread Size: \u00bc\u201d<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The TBMA1 is a small, lightweight, wideband biconical EMC\/EMI measurement antenna. With its moderate price, it is ideal for radiated noise EMC pre-compliance testing and for generating a defined field<\/p>\n","protected":false},"featured_media":2032,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[129],"product_cat":[216],"product_tag":[],"class_list":{"0":"post-2031","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-tekbox","7":"product_cat-antennas","9":"first","10":"outofstock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Biconical Antenna for EMC\/EMI Pre-Compliance Testing - TBMA1 - EMC Chambers &amp; Test Equipment<\/title>\n<meta name=\"description\" content=\"Low cost biconical antenna for in-house EMC\/EMI radiated emissions and immunity pre-compliance testing.\" \/>\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.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Biconical Antenna for EMC\/EMI Pre-Compliance Testing - TBMA1 - EMC Chambers &amp; Test Equipment\" \/>\n<meta property=\"og:description\" content=\"Low cost biconical antenna for in-house EMC\/EMI radiated emissions and immunity pre-compliance testing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/\" \/>\n<meta property=\"og:site_name\" content=\"EMC Chambers &amp; Test Equipment\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-19T19:50:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"360\" \/>\n\t<meta property=\"og:image:height\" content=\"360\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/\",\"url\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/\",\"name\":\"Biconical Antenna for EMC\/EMI Pre-Compliance Testing - TBMA1 - EMC Chambers &amp; Test Equipment\",\"isPartOf\":{\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg\",\"datePublished\":\"2020-02-06T05:18:49+00:00\",\"dateModified\":\"2026-03-19T19:50:47+00:00\",\"description\":\"Low cost biconical antenna for in-house EMC\/EMI radiated emissions and immunity pre-compliance testing.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#primaryimage\",\"url\":\"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg\",\"contentUrl\":\"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg\",\"width\":360,\"height\":360,\"caption\":\"Radiated Emissions Test Antenna\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.emcfastpass.com\/test-equipment\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Biconical Antenna for EMC\/EMI Pre-Compliance Testing &#8211; TBMA1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/#website\",\"url\":\"https:\/\/www.emcfastpass.com\/test-equipment\/\",\"name\":\"EMC Chambers &amp; Test Equipment\",\"description\":\"EMC Test Equipment Sales, Reviews and Tutorials\",\"publisher\":{\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.emcfastpass.com\/test-equipment\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/#organization\",\"name\":\"EMC Chambers &amp; Test Equipment\",\"url\":\"https:\/\/www.emcfastpass.com\/test-equipment\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2023\/11\/EMC-logo.png\",\"contentUrl\":\"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2023\/11\/EMC-logo.png\",\"width\":262,\"height\":70,\"caption\":\"EMC Chambers &amp; Test Equipment\"},\"image\":{\"@id\":\"https:\/\/www.emcfastpass.com\/test-equipment\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.youtube.com\/@EMCFastPass\/videos\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Biconical Antenna for EMC\/EMI Pre-Compliance Testing - TBMA1 - EMC Chambers &amp; Test Equipment","description":"Low cost biconical antenna for in-house EMC\/EMI radiated emissions and immunity pre-compliance testing.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/","og_locale":"en_US","og_type":"article","og_title":"Biconical Antenna for EMC\/EMI Pre-Compliance Testing - TBMA1 - EMC Chambers &amp; Test Equipment","og_description":"Low cost biconical antenna for in-house EMC\/EMI radiated emissions and immunity pre-compliance testing.","og_url":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/","og_site_name":"EMC Chambers &amp; Test Equipment","article_modified_time":"2026-03-19T19:50:47+00:00","og_image":[{"width":360,"height":360,"url":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/","url":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/","name":"Biconical Antenna for EMC\/EMI Pre-Compliance Testing - TBMA1 - EMC Chambers &amp; Test Equipment","isPartOf":{"@id":"https:\/\/www.emcfastpass.com\/test-equipment\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#primaryimage"},"image":{"@id":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#primaryimage"},"thumbnailUrl":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg","datePublished":"2020-02-06T05:18:49+00:00","dateModified":"2026-03-19T19:50:47+00:00","description":"Low cost biconical antenna for in-house EMC\/EMI radiated emissions and immunity pre-compliance testing.","breadcrumb":{"@id":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#primaryimage","url":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg","contentUrl":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2020\/02\/EMC_EMI_Antenna2.jpg","width":360,"height":360,"caption":"Radiated Emissions Test Antenna"},{"@type":"BreadcrumbList","@id":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/antennas\/biconical-antenna\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.emcfastpass.com\/test-equipment\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/"},{"@type":"ListItem","position":3,"name":"Biconical Antenna for EMC\/EMI Pre-Compliance Testing &#8211; TBMA1"}]},{"@type":"WebSite","@id":"https:\/\/www.emcfastpass.com\/test-equipment\/#website","url":"https:\/\/www.emcfastpass.com\/test-equipment\/","name":"EMC Chambers &amp; Test Equipment","description":"EMC Test Equipment Sales, Reviews and Tutorials","publisher":{"@id":"https:\/\/www.emcfastpass.com\/test-equipment\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.emcfastpass.com\/test-equipment\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.emcfastpass.com\/test-equipment\/#organization","name":"EMC Chambers &amp; Test Equipment","url":"https:\/\/www.emcfastpass.com\/test-equipment\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.emcfastpass.com\/test-equipment\/#\/schema\/logo\/image\/","url":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2023\/11\/EMC-logo.png","contentUrl":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-content\/uploads\/2023\/11\/EMC-logo.png","width":262,"height":70,"caption":"EMC Chambers &amp; Test Equipment"},"image":{"@id":"https:\/\/www.emcfastpass.com\/test-equipment\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.youtube.com\/@EMCFastPass\/videos"]}]}},"_links":{"self":[{"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/product\/2031","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/comments?post=2031"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/media\/2032"}],"wp:attachment":[{"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/media?parent=2031"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/product_brand?post=2031"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/product_cat?post=2031"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.emcfastpass.com\/test-equipment\/wp-json\/wp\/v2\/product_tag?post=2031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}