Licence-free walkie talkies PMR 446, 0.5w output power, fixed antenna these technical parameters make BF-888S walkie talkie a completely legal radio in UK and Europe. What is PMR446? PMR446 (Personal Mobile Radio, 446-446.2MHz) is a part of the UHF radio frequency range that is open without licensing for business and personal use in most countries of the Europe area. BF-888S PMR version walkie talkies is such a professional radio, which you can rest assured to use and no need to worry about the license problem. We has already Programmed this radio to PMR446 license-free frequencies ,you can also program it to other frequencies (UHF 400-470MHz) via cable & software..