TETRA TErrestrial Trunked RAdio
The TETRA standard defined by ETSI (European Telecommunications Standards Institute), the European standardization body of reference. The TETRA standard defines the communication protocol for mobile multi-access networks to digital technology (non-DMR), and the association allows confronta controls and the development of networks and terminals from multiple manufacturers making them compatible with each other.
Fully accepted by the Ministry of Communications and the Ministry of the Interior and of Defence for mobile telecommunications services on the Police and Military, owes its popularity to the high level of reliability, security, privacy and integration of voice and data.