TETRA is the modern digital Private Mobile Radio (PMR) and Public Access Mobile Radio (PAMR) technology used for Police, Paramilitary Forces, Ambulance, Fire Services, Railways & Metros, Military, Public Access, Fleet Management, Disaster Management, Transport Services, Closed User Groups, Factory Site Services, Mining, etc.

TETRA Portable Terminal

Operation Mode 
-Trunking Mode Operation (TMO): communications over TETRA network (semiduplex and full duplex mode)
-Direct Mode Operation (DMO): direct communications between terminals without network intervention (semiduplex mode)          

Security Services
-Air Interface Encryption TEA 1, TEA 3, TEA 4
-E2EE (End-to-End Encryption) Security Services: E2EE Encryption Module; Multiple Algorithm Support
-PIN/PUK Code Access
-Security Class 1, 2, 3
-Ambient Listening
-Discreet Listening
-Configure Information Protection