Tetra - Terrestrial Trunked Radio

TETRA is an ETSI standard, first version published 1995. European Telecommunications Standards Institute (ETSI) were the body that published the standard for GSM which is the most popular standard for mobile phones in the world.

The core technologies used in the TETRA standard, such as Digital, Trunking and Time Division Multiple Access (TDMA) also provide a number of inherent advantages and benefits to the user:

Features

• Multiple Groups
• One on One Calling (Semi-duplex & Full Duplex)
• One on One Telephone calling (Full Duplex)
• SMS Texting to other Tetra Radios or Cellphones
• Texting from PC
• GPS Location including portable radios
• DMO mode for line of sight access

Sepura Portable	Sepura Mobile
SRH3800	SRM3500
TOP
Teltronic Portables	Teltronic Mobiles
HTT500	MDT400
TOP
EADS Portable
THR880i