PMR446 is a licence free radio service used by two-way radio users in the UK and throughout Europe. The letters PMR stand for Private Mobile Radio and the number 446 relates to the frequency band 446Mhz (UHF), which these radios use to communicate. Radios of this type can be used for business or leisure use without a licence. As well as being called PMR466 radios they can also be known as ‘licence free radios’ or ‘walkie talkies’.
