Trimble 5 dB 450–470 MHz Radio Whip Antenna Extend UHF radio communication range for compatible Trimble GNSS base station and external radio configurations with this 5 dB gain whip antenna . Operating in the 450–470 MHz frequency band, the antenna features an NMO connection for use with compatible antenna mounts and cabling. Key Features 5 dB gain provides increased antenna performance for compatible UHF radio applications. 450–470 MHz frequency range for survey radio communications. NMO connection for use with compatible external antenna mounts and cabling. Compatible With Trimble R Series GNSS Receivers: compatible models using an external 450–470 MHz antenna configuration Trimble UHF Data Radios: TDL 450B, TDL 450H, TDL 450L Pacific Crest UHF Data Radios: ADL 450B, ADL Vantage, PDL 450