Professional Mobile Radio

From Free net encyclopedia

Professional Mobile Radio (also known as Private Mobile Radio (PMR) in the UK and Land Mobile Radio (LMR) in the USA) are radio systems such as TETRA which are designed for dedicated use by specific organizations. Typical examples are the radio systems used by police forces and fire brigades. Key features of professional mobile radio systems include

• push to talk, release to listen - a single button press opens communication on a radio frequency channel
• large coverage areas
• closed user groups
• use of VHF or UHF fequency bands

External link

• Network interoperabilityTemplate:Wireless-stub