{"id":16209,"date":"2026-02-26T13:02:43","date_gmt":"2026-02-26T02:02:43","guid":{"rendered":"https:\/\/amateurradiosupplies.com.au\/?post_type=product&#038;p=16209"},"modified":"2026-03-19T15:04:45","modified_gmt":"2026-03-19T04:04:45","slug":"diamond-x-520m-2-70cm-base-vertical-antenna","status":"publish","type":"product","link":"https:\/\/amateurradiosupplies.com.au\/index.php\/product\/diamond-x-520m-2-70cm-base-vertical-antenna\/","title":{"rendered":"Diamond X-520M 2\/70cm Base Vertical Antenna"},"content":{"rendered":"<p>X-520M: The Diamond X-520M is a high gain, omnidirectional dual band VHF\/UHF antenna ideal for the 144MHz (8.3dBi) and 430MHz (11.7dBi) bands. This antenna consists of three twisted elements, housed in a durable, non-conductive fiberglass body, resistant to wind speeds of up to 40m\/s. Thanks to Diamond&#8217;s specially developed gaskets, the antenna is dirt and water resistant, ensuring long term reliability.<\/p>\n<p>Specifications:<br \/>\nFrequency range: 144\/430MHz (2m\/70cm)<br \/>\nGain: 8.3dB (144MHz), 11.7dB (430MHz)<br \/>\nMax. power rating: 200W<br \/>\nImpedance: 50 Ohms<br \/>\nVSWR: Less than 1.5:1<br \/>\nLength: 5.2m<br \/>\nRadial length: approx.52cm<br \/>\nWeight: 2.0kg<br \/>\nRated wind velocity: 40m\/sec.<br \/>\nMast diameter accepted: 30mm to 62mm<br \/>\nConnector: PL-259 female (SO239) or N series female<br \/>\nType: 3 x 5\/8wave C-Load (144MHz), 8 x 5\/8wave C-Load (430MHz), FRP outershell<\/p>\n","protected":false},"excerpt":{"rendered":"<p>X-520M: The Diamond X-520M is a high gain, omnidirectional dual band VHF\/UHF antenna ideal for the 144MHz (8.3dBi) and 430MHz [&hellip;]<\/p>\n","protected":false},"featured_media":16274,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[32],"product_tag":[],"class_list":{"0":"post-16209","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-antennas","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\/16209","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=16209"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media\/16274"}],"wp:attachment":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media?parent=16209"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_brand?post=16209"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_cat?post=16209"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_tag?post=16209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}