PMR446 walkie talkiesSo what are PMR446 walkie talkies? PMR446 (Personal Mobile Radio, 446 MHz) is an open radio frequency for licence-free two-way radio communications in the European Union.

The frequency is free to use, but it is more limited in range than licensed frequencies. Unlicensed radios are ideal for small sites, indoor and line-of-sight outdoor communications. There are two types of PMR446 services available to users: analogue and digital.

Analogue radios 
– the analogue PMR446 service is harmonised throughout Europe. This means analogue two-way radios from the UK are ready to use in any EU country on a license-free basis.

Digital radios – the digital PMR446 signal is not harmonised throughout Europe. This means that any digital unlicensed radio purchased in the UK will not be compliant for use within the EU. This is because the digital PMR446 service can facilitate the transmission of data which would be subject to regulation.

What is the range of  PMR446 walkie talkies?Range of a PMR446 walkie talkies

The range of unlicensed PMR446 walkie talkies is dependent on variables such as location, terrain and weather conditions under which you are communicating.

So, the maximum range of the radios  depends on ideal conditions – typically referred to as ‘hilltop to hilltop’ . However, heavily urbanised or dense woodland areas cause obstruction to the range. Consequently, trees, walls, hills and even the weather can affect the range of your radio.

Therefore, in most conditions, a 0.5w unlicensed radio can realistically achieve a range of 0.5 miles, following the rule of thumb of one mile per watt.

Range of a PMR446 Walkie-talkie



What other technical information is there on PMR446?

Finally, unlicensed radios transmit between 446.0 and 446.1 MHz and digital dPMR/DMR cover 446.1-446.2 MHz on an analogue service.

Most of our two-way radios transmit through analogue signals. Analogue PMR446 radios use eight FM channels, each channel separated by 12.5 kHz, which is standardized across Europe.

For more information on PMR446 walkie-talkies or any other telecoms products, please contact us.




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