{"product_id":"rfi-cd28-37-50-vhf-3db-mopole-antenna-138-163mhz-mbc-base-no-cable","title":"RFI CD28-37-50 VHF 3dB Mopole Antenna, 138-163MHz, MBC Base No Cable","description":"\u003ch2\u003eRFI CD28-37-50 138–163MHz Ground Independent Mopole Antenna – MBC Base, No Cable\u003c\/h2\u003e\n\u003cp\u003eThe RFI CD28-37-50 is a broadband VHF Mopole antenna covering 138–163MHz, delivering a genuine 3dB improvement over a standard 1\/4-wave whip. \u003cstrong\u003eMBC base included, cable and connector sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe CD28-37-50 is a Ground Independent Mopole antenna, ideal for \"alternative\" mounting positions such as gutter, mirror, or trunk mounts where a full ground plane isn't available.\u003c\/p\u003e\n\u003cp\u003eUsing a patented matching circuit, it's an end-fed dipole combining a durable thermoplastic housing with a flexible tapered stainless steel whip resistant to knocks and bends. Field testing shows a 3dB improvement in received signal level compared with a 1\/4-wave whip (pattern testing shows 1.5-2dB, equivalent to 1.5-2dBi), thanks to a lower radiation angle from the ground independent design.\u003c\/p\u003e\n\u003cp\u003eThis version comes with the MBC base fitted, cable and connector are sold separately so you can match the exact length and connector your install needs. If you'd rather have a complete kit, see CD28-37-73 (138-163MHz, MBC base with 5m cable fitted).\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3dB gain Mopole design\u003c\/strong\u003e means stronger signal than a standard unity-gain whip, without needing a ground plane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround independent design\u003c\/strong\u003e means reliable performance from gutter, mirror, or trunk mounts, for vehicles where a full ground plane isn't practical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible tapered stainless steel whip\u003c\/strong\u003e means resistance to knocks and bends without permanent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged thermoplastic housing\u003c\/strong\u003e means the matching circuit is virtually indestructible in daily fleet use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnique termination method\u003c\/strong\u003e means simplified installation and re-cabling in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMBC mounting base included\u003c\/strong\u003e means a secure, proven installation standard trusted by fleet operators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial and government fleet vehicles\u003c\/li\u003e\n\u003cli\u003eEmergency service vehicles\u003c\/li\u003e\n\u003cli\u003eUtility and transport communications\u003c\/li\u003e\n\u003cli\u003eAlternative mounting positions where a full ground plane isn't available (gutter, mirror, trunk mounts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x RFI CD28-37-50 Mopole antenna, with MBC base fitted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e coaxial cable and connector, sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Setup\u003c\/h3\u003e\n\u003cp\u003eThis antenna's MBC base still needs a cable and connector. If you'd rather have a complete kit, see CD28-37-73 (MBC base with 5m cable). Otherwise, talk to us and we'll help you choose the right cable length and connector.\u003c\/p\u003e\n\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eRFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCD28-37-50\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;\"\u003e138–163MHz\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;\"\u003e3dB over a 1\/4 wave whip\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;\"\u003eFlexible tapered stainless steel whip, thermoplastic housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMBC base, included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eCable and connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eNot included, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eDownload the RFI CD28 Series specifications (PDF)\u003c\/p\u003e\n\u003cp\u003eDownload the RFI CD28-37-5x installation sheet (PDF)\u003c\/p\u003e\n\n\u003ch3\u003eVideo\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eNo product video currently available for this model.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this need a large ground plane to work?\u003c\/h4\u003e\n\u003cp\u003eNo, the ground independent design means it performs reliably without a large metal ground plane, useful for alternative mounting positions like gutters, mirrors, and trunk mounts.\u003c\/p\u003e\n\u003ch4\u003eDoes this antenna include a cable?\u003c\/h4\u003e\n\u003cp\u003eNo. This version comes with the MBC base fitted, but cable and connector are sold separately. If you'd rather have a complete kit, see CD28-37-73 (138-163MHz, MBC base with 5m cable).\u003c\/p\u003e\n\u003ch4\u003eWhat is the benefit of the 3dB Mopole design?\u003c\/h4\u003e\n\u003cp\u003eField testing shows a 3dB improvement in received signal level over a standard 1\/4-wave whip, thanks to the antenna's lower radiation angle.\u003c\/p\u003e\n\u003ch4\u003eCan Mobile Systems Limited install this antenna?\u003c\/h4\u003e\n\u003cp\u003eYes. We supply, install, test, and support RFI antennas and complete two-way radio systems throughout New Zealand.\u003c\/p\u003e","brand":"RFI","offers":[{"title":"138 to 163 MHz","offer_id":48441838239970,"sku":"fvt1789681010946","price":83.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/2478\/5378\/files\/rfi-cd28-37-50-vhf-3db-mopole-antenna-138-163mhz-mbc-base-no-cable_1.jpg?v=1789681014","url":"https:\/\/ropecoilwear.shop\/products\/rfi-cd28-37-50-vhf-3db-mopole-antenna-138-163mhz-mbc-base-no-cable","provider":"My Store","version":"1.0","type":"link"}