UHF External Antenna Kit for Handheld Radios (UHF 450 - 470 MHz) - Motorola BNC AdapterThe UHF External Antenna Kit for Handheld Radios (UHF 450 470 MHz) is designed to extend radio range within vehicles. It's suitable for short track, circle track, and street applications. BNC adapters, which are radio specific, need selection. The kit contains a GMRS and UHF No Ground Plane NGP Tuned Whip Antenna, 15 feet of Cable with an NMO Cable Mount, and a BNC Connector. A BNC Antenna Adapter is also included. When installing, avoid over