CB Radios (Citizen Band) are generally used for short distance communications on public UHF frequencies. CB radios are also known by the term PRS radios or (Public Radio Service). As they are operated on public channels, they are limited to 5 watts maximum output and are therefore useful for close proximity communications between 2 to 10 kilometers. CB Radios operating on AM and UHF frequencies have been around for many years and are popular with truck drivers who enjoy keeping in touch with their fellow drivers.
CB Radios are also popular with clubs like 4 wheel drive clubs to facilitate communications at club events.
Low Cost Communications
CB Radios operating on UHF frequencies offer a low cost communications option. There are 40 Channels on the 476 and 477 MHz frequency which are free to use in New Zealand and the CB sets.
CB Radios operating on the public channels in New Zealand are hardwired into a vehicle or base station. They are always connected to a power supply and are always ready to use.
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