The ETSI EN 300 392 standard defines the Air Interface for the Terrestrial Link radio system supporting Voice and Data traditional access and direct access, and includes the characteristics of the physical layer, data link layer and network layer according to the ISO model.
First, TETRA determines the radio characteristics:
Second, it establishes services, messages and protocols used for voice and circuit mode data transfer, starting from the upper layers:
Third, it sets up the services, messages and protocols used for packet data transfer:
Our EUROLAB Laboratory test experts, with their professional working mission and principles, offer you, our manufacturers and suppliers, the best service and controlled testing process in our accredited laboratories within the scope of ETSI EN and ETSI EN 300 392 test standards.
To get an appointment, to get more detailed information or to request an evaluation, you can ask us to fill in our form and reach you.