Tait TP9400 Series P25 User Manual

134 Encryption
Updating encryption keys
over-the-air
You may be able to update your encryption keys using
over-the-air-rekeying (OTAR).
This feature is controlled by a software license
(SFE) and may not be available with your radio.
This feature is only available for digital channels
operating in conventional mode.
■ Press Menu and select Security > Rekey
request.
The message Rekey request ack appears in the
display. If there is no response to the rekey
request, the message Rekey request timeout
appears.
Using an encryption
demonstration key
Your radio may be programmed with an encryption
‘demo’ key. The demo key is used to demonstrate the
way encryption operates, without the need to load
secure encryption keys into the radio.
Activating the demo key
1 Press Menu and select Security > Advanced >
Demo key.
2 Scroll to Enable and press Select.
The message Demo key activated appears in
the display.
Demo key
Enable
Disable
SelectBack

Tait TP9400 Series P25 Specifications

General

P25 Phase	Phase 1 and Phase 2
Frequency Bands	VHF: 136-174 MHz, UHF: 380-520 MHz, 700/800 MHz: 764-870 MHz
Operating Temperature	-30°C to +60°C (-22°F to +140°F)
Operating Voltage	7.4V DC (Nominal)
MIL-STD	MIL-STD-810 C/D/E/F/G
Battery Life	Up to 12 hours (depending on usage)