{"product_id":"rfi-450-520mhz-ground-independent-mopole-threaded-stud-flexible-pvc-radiator-cd51-68-70","title":"RFI 450-520MHz Ground Independent Mopole - Threaded Stud (Flexible PVC Radiator)- CD51-68-70","description":"\u003ch2\u003eRFI CD51-68-70 450–520MHz Ground Independent Mopole Antenna – Threaded Stud (Flexible PVC Radiator)\u003c\/h2\u003e\n\u003cp\u003eThe RFI CD51-68-70 is a rugged UHF mobile antenna designed for professional two-way radio systems operating across the 450–520MHz frequency range. Featuring RFI's proven Ground Independent Mopole technology and a flexible PVC radiator, this antenna delivers reliable communications while standing up to the harsh conditions experienced by commercial fleets. \u003cstrong\u003eThreaded stud mount, cable and connector sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eUnlike traditional quarter-wave antennas, the CD51-68-70 does not rely on a vehicle's metal body to provide a ground plane. This allows it to maintain excellent performance when installed on bull bars, mirrors, roof racks, canopies, service bodies, and other non-traditional mounting locations.\u003c\/p\u003e\n\u003cp\u003eThe flexible PVC radiator provides additional protection against impacts, making it an excellent choice for vehicles operating in forestry, construction, mining, agriculture, utilities, and transport.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCovers the full 450–520MHz UHF 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\u003eFlexible PVC radiator\u003c\/strong\u003e means it absorbs impacts from low branches and loading equipment without permanent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded stud mounting\u003c\/strong\u003e means it fits a wide range of compatible RFI antenna bases and heavy-duty mounting systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for licensed UHF radio systems\u003c\/strong\u003e means dependable performance for professional two-way radio fleets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather and corrosion-resistant construction\u003c\/strong\u003e means dependable performance in demanding outdoor conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransport and logistics\u003c\/li\u003e\n\u003cli\u003eUtilities and civil construction\u003c\/li\u003e\n\u003cli\u003eForestry, agriculture, and mining operations\u003c\/li\u003e\n\u003cli\u003eEmergency services and local government\u003c\/li\u003e\n\u003cli\u003eSecurity and industrial facilities\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 CD51-68-70 Mopole antenna (flexible PVC radiator), threaded stud mount\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\u003eCompatible Mounting Brackets\u003c\/h3\u003e\n\u003cp\u003eThe threaded stud is compatible with a range of generic mounting brackets, as well as compatible RFI antenna bases. MSL stocks:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGME MB024 Right-Angle Bullbar Bracket\u003c\/li\u003e\n\u003cli\u003eGME Wrap-Around Bullbar Bracket\u003c\/li\u003e\n\u003cli\u003eGME MB403SS Universal L-Bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Setup\u003c\/h3\u003e\n\u003cp\u003eThis antenna needs a coaxial cable and connector to suit your specific install. Talk to us and we'll help you choose the right length and connector type.\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;\"\u003eCD51-68-70\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;\"\u003e450–520MHz\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;\"\u003e4dB 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;\"\u003e13MHz at \u0026lt;1.5:1, field-tuneable using supplied chart\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;\"\u003e360mm\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;\"\u003eCopper braid element in flexible nylon tubing\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;\"\u003eThreaded stud\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\u003e\u003cem\u003eSpec sheet PDF linked below may be for the CD50 (stainless whip) family rather than CD51 (PVC whip) specifically; please confirm with us if you need CD51-specific diagrams.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eDownload the installation sheet (PDF)\u003c\/p\u003e\n\n\u003ch3\u003eOther Options in This Series\u003c\/h3\u003e\n\u003cp\u003eNeed a mount with an MBC base instead? See CD51-68-50 (PVC whip, MBC base, no cable).\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\u003eThe CD51-68-70 is designed to perform consistently without relying on the vehicle body as a ground plane, which allows installation on bull bars, mirror brackets, roof racks, canopies, toolboxes, service bodies, fibreglass panels, and other special purpose vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From Mobile Systems Limited?\u003c\/h3\u003e\n\u003cp\u003eMobile Systems Limited supplies professional mobile radio and antenna solutions to businesses throughout New Zealand. Our experienced team provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMobile radio system design\u003c\/li\u003e\n\u003cli\u003eFleet antenna selection\u003c\/li\u003e\n\u003cli\u003eProfessional vehicle installations\u003c\/li\u003e\n\u003cli\u003eAntenna testing and tuning\u003c\/li\u003e\n\u003cli\u003eRadio programming\u003c\/li\u003e\n\u003cli\u003eFleet communication 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 recommend the right antenna solution for reliable long-term performance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat frequencies does the CD51-68-70 support?\u003c\/h4\u003e\n\u003cp\u003eThe antenna operates across the 450–520MHz UHF frequency range, making it suitable for many licensed UHF radio systems.\u003c\/p\u003e\n\u003ch4\u003eWhat is Ground Independent Mopole technology?\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, providing greater flexibility when selecting mounting locations.\u003c\/p\u003e\n\u003ch4\u003eWhat are the advantages of the PVC radiator?\u003c\/h4\u003e\n\u003cp\u003eThe flexible PVC radiator helps protect the antenna from impacts, vibration, and harsh environmental conditions, making it ideal for commercial and off-road vehicles.\u003c\/p\u003e\n\u003ch4\u003eDoes this antenna include a cable and connector?\u003c\/h4\u003e\n\u003cp\u003eNo. Compatible mounting brackets are listed above, but coaxial cable and connector are sold separately.\u003c\/p\u003e\n\u003ch4\u003eDoes the antenna fit standard RFI mounting bases?\u003c\/h4\u003e\n\u003cp\u003eYes. The threaded stud design is compatible with a range of RFI antenna bases and mounting solutions, as well as the generic bullbar brackets linked above.\u003c\/p\u003e\n\u003ch4\u003eCan Mobile Systems Limited install 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":48442277265634,"sku":"dlc1789684725269","price":42.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/2478\/5378\/files\/rfi-450-520mhz-ground-independent-mopole---threaded-stud-flexible-pvc-radiator--_1.png?v=1789684729","url":"https:\/\/ropecoilwear.shop\/products\/rfi-450-520mhz-ground-independent-mopole-threaded-stud-flexible-pvc-radiator-cd51-68-70","provider":"My Store","version":"1.0","type":"link"}