Terrestrial trunked radio (TETRA) replaces old analogue radio communication systems that no longer meet professional radio communication needs. In the past, police and fire agencies as well as other professional organisations each had their own, incompatible private radio systems, which were based on vendor-specific proprietary technologies. With the introduction of TETRA, today’s professional organisations can source their radio network from many vendors, ensuring greater choice, more cost-effectively and with higher quality… (more)