TETRA

Reliable communications for mission-critical operations

TETRA is designed for professional mobile radio applications, and for use in mission critical scenarios. Use of a two-way transceiver (popularly known as a walkie-talkie) allows people to communicate with each other.

Unlike cellular technologies, which connect one subscriber to one other subscriber (one-to-one), TETRA is built to do:
These operational modes are directly relevant to the public safety and professional users.

The service is based on Time Division Multiple Access (TDMA) technology, which allows several users to securely share the same frequency channel.


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Related link: Tetra Applications