, Volume 19, Issue 3, pp 81-88

TETRA Security

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TETRA is a digital trunked radio standard for the private/professional mobile radio (PMR) market. BT's Airwave service, a nation-wide mobile radio service designed to serve the needs of the police and other public safety organisations in England, Wales and Scotland, is based on TETRA and the inherent security of TETRA is an essential element of the service. This paper describes the basic security mechanisms in TETRA and the various security services that are delivered using them.