{"id":823,"date":"2025-04-23T17:22:15","date_gmt":"2025-04-23T14:22:15","guid":{"rendered":"https:\/\/ft.systems\/product\/%d0%ba-2\/"},"modified":"2026-09-28T14:28:58","modified_gmt":"2026-09-28T11:28:58","slug":"control-antenna-k2","status":"publish","type":"product","link":"https:\/\/ft.systems\/en\/control-antenna-k2\/","title":{"rendered":"FT K2 730\u2013930 MHz Drone Control Antenna"},"content":{"rendered":"<p data-path-to-node=\"5\">The FT K2 omnidirectional drone control antenna is engineered for <strong>ExpressLRS and Gemini systems<\/strong>, operating across a wide frequency range of <strong>730\u2013930 MHz<\/strong>. The FT K2 model features a gain of <strong>2.0 \u00b1 0.5 dBi<\/strong>, linear polarization, and an omnidirectional radiation pattern in the horizontal plane.<\/p>\n<p data-path-to-node=\"5\">The vertical beamwidth is approximately <strong>65\u00b0<\/strong>, ensuring stable signal coverage within its propagation plane. The radiator is made of<strong> \u00d8 2 mm<\/strong> brass wire, while the mount is crafted from durable molded plastic. Special slots are integrated for quick and secure mounting onto frame arms using zip ties.<\/p>\n<p data-path-to-node=\"7\">The FT K2 is rated for <strong>50 Ohm<\/strong> impedance and a maximum input power of up to <strong>20 W<\/strong>. The radiator length is <strong>365 mm<\/strong>, cable (feeder) length is <strong>150 mm<\/strong>, and total weight is <strong>19 g<\/strong>. Connection is established via a standard <strong>IPEX1 (U.FL)<\/strong> connector.<\/p>\n<p data-path-to-node=\"7\">Unlike typical dipole antennas, the K2 features a unique loop design that ensures low VSWR across an expanded frequency range, making it an ideal choice for use with <a href=\"https:\/\/ft.systems\/en\/elrs-se4\/\">SE4<\/a> series receivers.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; align-items: baseline; max-width: 100%;\">\n<h3 style=\"margin: 0; margin-right: 5px; line-height: 0.8; max-width: 100%;\"><strong style=\"font-size: 16px;\">Manual &#038; Datasheet<\/strong><\/h3>\n<p><span style=\"font-size: 16px; font-weight: bold;\"> \u2014 <\/span><a style=\"font-size: 16px; font-weight: bold; line-height: 1.8;\" href=\"https:\/\/ft.systems\/wp-content\/uploads\/2025\/04\/FT_K-2.pdf\" target=\"_blank\" rel=\"noopener\">Download PDF<\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>FT K2 broadband control antenna (730\u2013930 MHz) with linear polarization for ELRS and Gemini systems. Provides 2.0 \u00b1 0.5 dBi gain and 50 Ohm impedance. Radiator length: 365 mm, weight: 19 g.<\/p>\n","protected":false},"featured_media":7578,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[93,92],"product_tag":[95],"class_list":["post-823","product","type-product","status-publish","has-post-thumbnail","product_cat-control-antennas","product_cat-control-link","product_tag-homepage-product-slider-en","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FT K2 730\u2013930 MHz FPV Drone Control Antenna for ELRS | FT Systems<\/title>\n<meta name=\"description\" content=\"Buy FT K2 wideband FPV control antenna (730\u2013930 MHz) for ELRS &amp; Gemini. 2 dBi gain, VSWR \u2264 1.5, 150 mm cable, IPEX1 (U.FL) connector. 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