Motorola TETRA MTM5400 User Manual

Chapter 3
Modes
This chapter contains information on available modes that the radio can operate in.
3.1
Trunked Mode Operation
Trunked Mode Operation (TMO) requires the switching and management infrastructure.
TMO enables various voice and data communication types. Examples are group calls and short data
service messages. TMO also enables access to features related to infrastructure such as packet data.
Figure 2: Trunked Mode Operation
3.1.1
Entering TMO Mode
Procedure:
1 Perform one of the following actions:
• From the home screen, press Options.
• From the home screen, press the Menu key. Select Networks.
2 Select Trunked Mode.
3.1.2
Making Group Calls in TMO
The Group Call is received by all members of the selected group who have their units turned on and
are connected through the network.
Procedure:
1 Press and hold the PTT button.
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Chapter 3 : Modes
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Motorola TETRA MTM5400 Specifications

General

Operating Temperature	-30°C to +60°C
IP Rating	IP54
Channels	Up to 1000
RF Power Output	10W
Frequency Bands	380-430 MHz, 806-870 MHz