What is TETRA?

• Terrestrial Trunked Radio (TETRA) is the modern digital private mobile radio (PMR) technology.
• It can be infrastructure like GSM network of infrastructureless like mobile ad hoc network.
• TETRA offers services addressing mainly to public safety and security services.
• This technology is used by the police, fire, ambulance, transport, security, and other emergency services.

Application

• Provides usual cellular services (One-to-One)
• Professional radio services (group communication)
• Instantaneous communication, both between individuals and within a group of an unlimited size.
• Priority calls can be made.
• Field workforce management services (Graphical Dispatcher Workstation)
• Limited data services.
• Maximum security.
• Services cost less than other communications.