{"product_id":"rfi-ruggedised-9-element-yagi-400-420mhz-12db-blk-coat-rda9-65","title":"RFI Ruggedised 9 Element Yagi 400-420MHz 12DB Blk Coat RDA9-65","description":"\u003ch2\u003eRuggedised UHF Directional Yagi Antenna, 9 Element, 400–420MHz\u003c\/h2\u003e\n\u003cp\u003eThe RFI RDA9-65 is a ruggedised, high-gain directional Yagi antenna for fixed-site UHF communications, built for repeater links, telemetry, and SCADA networks in demanding environments.\u003c\/p\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe RFI RDA9-65 is a 9-element ruggedised UHF Yagi antenna covering 400–420MHz, delivering 13dBi of directional gain for point-to-point links, repeater systems, and other fixed-site communications infrastructure. If a smaller footprint suits your site better, the RFI RDA6-65 (6-element, same band) is a lower-cost step-down option in this ruggedised range.\u003c\/p\u003e\n\u003cp\u003eIts heavy-duty welded aluminium construction with a black powder-coated finish is built for coastal, alpine, and industrial sites where standard antennas struggle. The full-band design means no on-site tuning is required.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-element directional Yagi design, 13dBi gain\u003c\/strong\u003e means the strongest point-to-point reach in MSL's ruggedised RDA range, for network designers linking distant fixed sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull 400–420MHz coverage with no tuning required\u003c\/strong\u003e means a straightforward install with one less variable to get wrong on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18dB front-to-back ratio\u003c\/strong\u003e means strong rejection of unwanted interference from behind the antenna, for sites sharing spectrum with other UHF users.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty welded aluminium with black powder-coated finish\u003c\/strong\u003e means it stands up to coastal, alpine, and industrial conditions where lighter-duty antennas fail early.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-grounded elements\u003c\/strong\u003e means built-in protection against static build-up and help dissipating a lightning strike, for exposed mast-top infrastructure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated to 100W input power\u003c\/strong\u003e means it handles serious repeater and base station transmit power without drama.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN female connector with weather-resistant cable tail\u003c\/strong\u003e means a low-loss, high-power connection suited to permanent fixed-site installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRepeater stations and point-to-point radio links\u003c\/li\u003e\n\u003cli\u003eSCADA and telemetry networks\u003c\/li\u003e\n\u003cli\u003eUtility and transport communications\u003c\/li\u003e\n\u003cli\u003eMining and industrial radio systems\u003c\/li\u003e\n\u003cli\u003eLocal government and public safety communication networks\u003c\/li\u003e\n\u003cli\u003eRemote monitoring infrastructure in coastal or alpine locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x RFI RDA9-65 9-element ruggedised UHF Yagi antenna, N female connector with short 9302 cable tail\u003c\/li\u003e\n\u003cli\u003eMast\/boom clamp sold separately, see Complete Your Setup below\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComplete Your Setup\u003c\/h2\u003e\n\u003cp\u003eThe RDA9-65 mounts via a 100mm x 32mm diameter powder-coated aluminium boom. The RFI UCR1 Antenna Clamp (20–52mm) is a likely fit for this mounting diameter, though we'd recommend confirming against RFI's mounting guide for your exact mast size before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400–420MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront-to-back ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorizontal beamwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVertical beamwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVSWR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower handling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eN female with short 9302 cable tail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWelded aluminium, black powder-coated finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100mm x 32mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eSpec sheet PDF: pending confirmation with RFI. The file previously linked here was a technical note on a different topic and has been removed.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eVideo\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eNo product video currently available for this model.\u003c\/em\u003e Suggested brief if one's produced: antenna being mounted and aligned on a tower, close-up of the N-connector termination.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy From Mobile Systems Limited?\u003c\/h2\u003e\n\u003cp\u003eMobile Systems Limited supplies professional antenna and radio communication solutions throughout New Zealand from our base in Mt Maunganui, Bay of Plenty. Our team provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFixed-site communication system design\u003c\/li\u003e\n\u003cli\u003eDirectional antenna selection\u003c\/li\u003e\n\u003cli\u003eProfessional installation services\u003c\/li\u003e\n\u003cli\u003eRF testing and optimisation\u003c\/li\u003e\n\u003cli\u003eCoverage planning and repeater infrastructure\u003c\/li\u003e\n\u003cli\u003eNetwork commissioning and ongoing support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're upgrading an existing repeater site or building a new communications network in a harsh environment, we'll help you select the right antenna for dependable long-term performance.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat frequency range does the RDA9-65 cover?\u003c\/h3\u003e\n\u003cp\u003eThe antenna is designed for professional radio systems operating between 400MHz and 420MHz.\u003c\/p\u003e\n\u003ch3\u003eWhat is the gain of the antenna?\u003c\/h3\u003e\n\u003cp\u003eThe RDA9-65 provides 13dBi of directional gain, making it ideal for long-distance radio links and repeater installations.\u003c\/p\u003e\n\u003ch3\u003eIs this antenna suitable for outdoor installations?\u003c\/h3\u003e\n\u003cp\u003eYes. It is specifically designed for permanent outdoor use, featuring welded aluminium construction and a durable black powder-coated finish for excellent weather resistance.\u003c\/p\u003e\n\u003ch3\u003eWhat applications is this antenna best suited for?\u003c\/h3\u003e\n\u003cp\u003eThe RDA9-65 is ideal for repeater systems, point-to-point radio links, telemetry, SCADA, utility communications, mining operations, transport infrastructure, and emergency service networks.\u003c\/p\u003e\n\u003ch3\u003eDoes the antenna help reduce interference?\u003c\/h3\u003e\n\u003cp\u003eYes. Its narrow beamwidth and high front-to-back ratio help reject unwanted signals, improving communication reliability and signal quality.\u003c\/p\u003e\n\u003ch3\u003eCan Mobile Systems Limited supply and install this antenna?\u003c\/h3\u003e\n\u003cp\u003eYes. We supply, install, test, align, and commission fixed-site antenna systems, repeater networks, and professional radio infrastructure throughout New Zealand.\u003c\/p\u003e","brand":"RFI","offers":[{"title":"Default Title","offer_id":48442277429474,"sku":"adb1789684725971","price":214.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/2478\/5378\/files\/rfi-ruggedised-9-element-yagi-400-420mhz-12db-blk-coat-rda9-65_1.png?v=1789684731","url":"https:\/\/ropecoilwear.shop\/products\/rfi-ruggedised-9-element-yagi-400-420mhz-12db-blk-coat-rda9-65","provider":"My Store","version":"1.0","type":"link"}