What does PMR stand for in radio?
Private Mobile Radio (PMR) – sometimes called Professional Mobile Radio – was developed for business users who need to keep in contact over relatively short distances with a central base station / dispatcher – a typical example is a taxi company. PMR is also widely used by emergency services.
What are the UK PMR frequencies?
What are the PMR 446 frequency bands? Until January 2018 there were just eight frequencies for licence-free radios in the UK, ranging from 446.00625MHz to 446.09375MHz. After that, the frequency spectrum was expanded in line with Harmonised European Standards to create greater capacity across Europe.
What frequency does Retevis use?
This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.
What frequency is channel 7 on a walkie talkie?
462.7125
List of FRS channels compared to GMRS
| Channel | Frequency (MHz) | FRS EIRP Restriction |
|---|---|---|
| 6 | 462.6875 | Up to 2 watt |
| 7 | 462.7125 | Up to 2 watt |
| 8 | 467.5625 | Up to 0.5 watt |
| 9 | 467.5875 | Up to 0.5 watt |
Who uses PMR radio?
PMR446 radios use frequencies that in Australia, the U.S., and Canada are allocated to amateur radio operators, and military radar systems. Instead, the U.S., Canada and Mexico use the Family Radio Service (FRS) system, which provides a similar service on different frequencies, around 462 and 467 MHz.
What is the range of PMR radio?
3 to 20 miles
They use channels in the VHF and UHF bands, giving them a limited range, usually 3 to 20 miles (4.8 to 32 km) depending on terrain. Output power is typically limited to 4 watts. Repeaters installed on tall buildings, hills or mountain peaks are used to increase the range of systems.
What band is 446 MHz?
PMR446 (Private Mobile Radio, 446 MHz) is a licence exempt service in the UHF radio frequency band and is available for business and personal use in most countries throughout the European Union. PMR446 is typically used for small-site, same-building and line of sight outdoor activities.
Are all PMR446 radios compatible?
*All analogue PMR446 equipment including DMR Tier 1 and dPMR446 digital equipment operating in analogue mode will be compatible and offer full interoperability. ** Due to their different channel access methods, DMR Tier 1 and dPMR446 digital equipment are not compatible with each other when operating in digital mode.
Are all Retevis walkie talkies compatible?
Retevis RT22 and Retevis 15 are both FRS, Retevis H-777 is UHF,they can be programmed to the same frequency and CTCSS,they are compatible with each other. Hope this can help you. If there any question need help,please contact us freely,we are glad to help you.