The Aerpro CBW30 3dBi 477MHz UHF Whip Antenna is compatible with all brands of 477MHz UHF CB Radios in Australia and New Zealand. With 3dBi gain, this low gain antenna has a broad radiation pattern which is best suited for short range communication in highly built up areas including cities, dense woodlands and mountain regions. It produces a wider UHF signal compared to higher gain antennas which is less likely to be impacted by obstructions in these landscapes. The compact 380mm antenna features a high quality whip mounted to an integrated short coil spring which is weather sealed. Its perfect for installing on vehicles that are prone to vibration such as trucks, agricultural machinery and off-road vehicles. The CBW30 is a ground independent antenna and can be mounted virtually anywhere on the vehicle; for the best performance it should be positioned as high as practical. It is fitted with 4.8 metre RG58 coaxial cable which is pre-terminated with an FME connector making it easy to install through the firewall grommet in vehicles. An FME to UHF PL259 screw on adaptor is also included for hassle-free installation.