{"product_id":"rfi-col7-uhf-collinear-antenna-380-530-mhz","title":"RFI COL7 UHF Collinear Antenna, 380-530 MHz","description":"\u003ch2\u003eRFI COL7 UHF Collinear Antenna, 380-530 MHz\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e3dBd lightweight collinear with minimal wind loading for broad-bandwidth single frequency or duplex applications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe COL7 is a lightweight collinear design with minimal wind loading, making it ideal for mounting on moderate support structures. The radiating elements are constructed from alodined aluminium and are arranged as a series fed array. The internal elements are enclosed in a fibreglass radome which is fitted to an aluminium mounting tube.\u003c\/p\u003e\n\u003cp\u003eThese are 3dBd gain omnidirectional collinear antennas characterised by broad operating bandwidths, making them suitable for single frequency or duplex applications. The antenna is internally DC grounded for lightning protection and dissipation of static noise.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3dBd (5dBi) gain\u003c\/strong\u003e means solid omnidirectional coverage across the broad 380-530MHz band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight design with minimal wind loading\u003c\/strong\u003e means it's ideal for mounting on moderate support structures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad operating bandwidth\u003c\/strong\u003e means suitability for single frequency or duplex applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC grounded design\u003c\/strong\u003e means better lightning protection and reduced static noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle frequency or duplex UHF base station applications\u003c\/li\u003e\n\u003cli\u003eSites requiring low wind and tower loading\u003c\/li\u003e\n\u003cli\u003eModerate support structures where a lightweight antenna is preferred\u003c\/li\u003e\n\u003cli\u003eGeneral purpose UHF coverage in the 380-530MHz band\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eProduct Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCOL7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e380-530MHz UHF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e3dBd \/ 5dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eTuned Bandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eVSWR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u0026lt;1.5:1 (14dB return loss)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eNominal Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e50Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eVertical Beamwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e30°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e150W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003ePassive IM 3rd Order\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e-130dBc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eN female bulkhead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAlodined aluminium elements with white fibreglass radome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e2.2m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e0.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMounting Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e200mm x 25mm diam. alodined aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eSuggested Clamps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e2 x UB1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eWind Load @160km\/h\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e79N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eWind Gust Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u0026gt;240km\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/mobilesystems.nz\/blogs\/q-a\/radio-antennas-q-a\"\u003eRadio Antennas Q\u0026amp;A\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose the COL7 over a higher-power collinear?\u003c\/strong\u003e\u003cbr\u003eThe COL7's lightweight design and minimal wind loading make it ideal for moderate support structures where reducing tower loading is a priority, while still delivering solid 3dBd gain across a broad UHF bandwidth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this antenna suitable for duplex applications?\u003c\/strong\u003e\u003cbr\u003eYes, the broad operating bandwidth of the COL7 makes it suitable for both single frequency and duplex applications.\u003c\/p\u003e","brand":"RFI","offers":[{"title":"Default","offer_id":44799456772147,"sku":"COL7","price":1174.61,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/7357\/3939\/files\/COL7-1.png?v=1788149340","url":"https:\/\/mobilesystems.nz\/products\/rfi-col7-uhf-collinear-antenna-380-530-mhz","provider":"MobileSystems","version":"1.0","type":"link"}