{"product_id":"rfi-cd28-41-50-148-175mhz-ground-independent-mopole-mbc-base-tapered-ss-radiator","title":"RFI - CD28-41-50 148-175MHz Ground Independent Mopole - MBC Base (Tapered S\/S Radiator)","description":"\u003ch2\u003eRFI CD28-41-50 148–174MHz Ground Independent Mopole Antenna – MBC Base\u003c\/h2\u003e\n\u003cp\u003eThe RFI CD28-41-50 Ground Independent Mopole Antenna is a premium VHF mobile antenna engineered for reliable performance across the 148–174MHz frequency range, delivering a genuine 3dB improvement over a standard 1\/4-wave whip. Designed for professional two-way radio systems, it delivers consistent communications for transport, utilities, emergency services, local government, agriculture, forestry, mining, and industrial fleets.\u003c\/p\u003e\n\u003cp\u003eFeaturing RFI's patented Ground Independent Mopole technology, this antenna provides dependable omnidirectional performance without relying on a vehicle's metal body as a ground plane. This makes it an ideal solution for installations where traditional roof-mounted antennas are impractical, including bull bars, mirror brackets, roof racks, canopies, and specialist vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the RFI CD28-41-50?\u003c\/h3\u003e\n\u003cp\u003eBuilt to withstand demanding working environments, the CD28-41-50 combines proven RF performance with exceptional durability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCovers the full 148–174MHz VHF band\u003c\/strong\u003e means one antenna serves the whole range, for installers working across multiple licensed channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Ground Independent Mopole technology\u003c\/strong\u003e means reliable performance from bull bars, mirror brackets, canopies, and other non-standard mounting positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3dB gain over a 1\/4 wave whip\u003c\/strong\u003e means stronger signal for fleet vehicles without needing a ground plane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered stainless steel whip\u003c\/strong\u003e means excellent flexibility and resistance to knocks and bends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged thermoplastic base assembly\u003c\/strong\u003e means the matching circuit is virtually indestructible in daily fleet use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-tuneable with supplied chart\u003c\/strong\u003e means you can dial in the best VSWR for your exact operating frequency within the band.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial fleet communications\u003c\/li\u003e\n\u003cli\u003eTransport and logistics\u003c\/li\u003e\n\u003cli\u003eUtilities and civil construction\u003c\/li\u003e\n\u003cli\u003eForestry, agriculture, and mining\u003c\/li\u003e\n\u003cli\u003eEmergency services and local government\u003c\/li\u003e\n\u003cli\u003eSecurity operations\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 CD28-41-50 Mopole antenna with MBC base\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 doesn't include a cable or connector. Talk to us and we'll help you choose the right cable length and connector for your installation.\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;\"\u003eCD28-41-50\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;\"\u003e148–174MHz\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\u003eTuned bandwidth \/ VSWR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4MHz at \u0026lt;1.5:1 (8MHz at \u0026lt;2.0:1), field-tuneable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003ePower handling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e50W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eWhip length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1340mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eWhip material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e17-7PH tapered stainless steel, moulded base coil assembly\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\n\u003ch3\u003eOther Options in This Series\u003c\/h3\u003e\n\u003cp\u003eNeed a different mount type? See CD28-41-70 (threaded stud mount, no cable, same band).\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\u003eGround Independent Performance\u003c\/h3\u003e\n\u003cp\u003eUnlike conventional quarter-wave antennas, the CD28-41-50 does not require a conductive vehicle roof to achieve excellent performance. This allows installation on bull bars, mirror brackets, gutter mounts, roof racks, canopies, toolboxes, fibreglass bodies, and specialist service vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From Mobile Systems Limited?\u003c\/h3\u003e\n\u003cp\u003eMobile Systems Limited supplies and installs professional radio communication systems throughout New Zealand. Our experienced team provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVehicle antenna selection\u003c\/li\u003e\n\u003cli\u003eMobile radio installations\u003c\/li\u003e\n\u003cli\u003eFleet communication solutions\u003c\/li\u003e\n\u003cli\u003eAntenna tuning and VSWR testing\u003c\/li\u003e\n\u003cli\u003eRadio programming\u003c\/li\u003e\n\u003cli\u003eSystem upgrades\u003c\/li\u003e\n\u003cli\u003eOngoing servicing and technical support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're fitting out a single vehicle or managing a nationwide fleet, we'll ensure your communications system delivers dependable performance in the field.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat frequencies does the CD28-41-50 support?\u003c\/h4\u003e\n\u003cp\u003eThe antenna is designed for licensed VHF radio systems operating between 148MHz and 174MHz.\u003c\/p\u003e\n\u003ch4\u003eWhat is a Ground Independent Mopole antenna?\u003c\/h4\u003e\n\u003cp\u003eGround Independent Mopole technology allows the antenna to perform effectively without relying on the vehicle body as a ground plane, making it ideal for non-traditional mounting locations.\u003c\/p\u003e\n\u003ch4\u003eIs this antenna suitable for heavy vehicles?\u003c\/h4\u003e\n\u003cp\u003eYes. Its rugged construction makes it ideal for trucks, agricultural machinery, construction equipment, utilities, and commercial fleets.\u003c\/p\u003e\n\u003ch4\u003eDoes the antenna need tuning?\u003c\/h4\u003e\n\u003cp\u003eYes. The antenna is field tuneable to optimise performance for your operating frequency and installation.\u003c\/p\u003e\n\u003ch4\u003eIs this suitable for New Zealand licensed radio networks?\u003c\/h4\u003e\n\u003cp\u003eYes. The 148–174MHz frequency range covers many licensed VHF land mobile radio systems used throughout New Zealand.\u003c\/p\u003e\n\u003ch4\u003eCan Mobile Systems Limited install and tune this antenna?\u003c\/h4\u003e\n\u003cp\u003eYes. We supply, install, tune, and test RFI antennas and complete two-way radio systems for commercial, industrial, and government customers throughout New Zealand.\u003c\/p\u003e","brand":"RFI","offers":[{"title":"Default Title","offer_id":48442012860642,"sku":"gam1789682392532","price":97.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/2478\/5378\/files\/rfi---cd28-41-50-148-175mhz-ground-independent-mopole---mbc-base-tapered-ss-radi_1.png?v=1789682397","url":"https:\/\/ropecoilwear.shop\/products\/rfi-cd28-41-50-148-175mhz-ground-independent-mopole-mbc-base-tapered-ss-radiator","provider":"My Store","version":"1.0","type":"link"}