PMR446
PMR446 (Private Mobile Radio, 446 MHz) is a licence-exempt personal radio service in the UHF radio frequency band, available for business and personal use in most countries throughout the European Union,[1] Malaysia,[2] Singapore,[3] Norway,[4] and the United Arab Emirates.
PMR446 is typically used for small-site, same-building and line of sight outdoor activities. Equipment use ranges from consumer-grade to professional quality walkie-talkies (similar to those used for FRS/GMRS in the United States and Canada). Depending on surrounding terrain, range can vary from a few hundred metres (in a city) to a few kilometres (flat countryside) to many kilometres from high ground.
Historically, analogue FM is used but a digital voice mode has been available in radios conforming to