{"id":4138,"date":"2021-08-06T18:13:52","date_gmt":"2021-08-06T08:13:52","guid":{"rendered":"https:\/\/amateurradiosupplies.com.au\/?post_type=product&#038;p=4138"},"modified":"2026-03-11T11:51:12","modified_gmt":"2026-03-11T00:51:12","slug":"comet-cf-413b-antenna-duplexer","status":"publish","type":"product","link":"https:\/\/amateurradiosupplies.com.au\/index.php\/product\/comet-cf-413b-antenna-duplexer\/","title":{"rendered":"Comet CF-413B Antenna Duplexer"},"content":{"rendered":"<p>CF-413B: Comet calls these &#8220;duplexers&#8221;, but they are also referred to as combiners or splitters. They are basically band-pass filters, simultaneously passing RF in both directions through the common connector while the band-pass filters provide a high degree of isolation between ports.<br \/>\nTX and RX from two radios at the same time into a dual-band antenna<br \/>\nCombine a dual-band radio with separate outputs into a dual-band antenna<br \/>\nSeparate a single connector duplexed radio into separate antenna systems<br \/>\nAllow a single coax run into two antennas at the top of the tower, and two radios at the bottom by using a duplexer at both ends of the coax run, avoiding cost and weight.<\/p>\n<p>Specifications:<br \/>\nLow Pass Frequency Coverage: 1.3-500 MHz<br \/>\nHigh Pass Frequency Coverage: 840-1300 MHz<br \/>\nLow Pass Loss: 0.25 dB<br \/>\nHigh Pass Loss: 0.4 dB<br \/>\nLow Pass PEP: 500 Watts<br \/>\nHigh Pass PEP: 200 Watts<br \/>\nIsolation: More than 55 dB<br \/>\nMix Connector: N-Female<br \/>\nLow Pass Port Connector Type: PL-259<br \/>\nHigh Pass Port Connector Type: N Male<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CF-413B: Comet calls these &#8220;duplexers&#8221;, but they are also referred to as combiners or splitters. They are basically band-pass filters, [&hellip;]<\/p>\n","protected":false},"featured_media":16307,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[45],"product_tag":[],"class_list":{"0":"post-4138","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-second-hand-items","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product\/4138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/comments?post=4138"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media\/16307"}],"wp:attachment":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media?parent=4138"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_brand?post=4138"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_cat?post=4138"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_tag?post=4138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}