TA 850 Handheld
PTToC Push-to-Talk over Cellular (PoC) is a technology offering VoIP two-way radio communication over a Wide Area utilising the cellular phone data networks
Product Description
Colorful display
On time alarm
4G/3G/2G support 4G/3G/2G compatibility
polymer lithium battery
GPS（optional）
number single call ll/Group/Private Call
ultigroup listening
Multiple member single call
Native platform upgrade
Can be used as a phone
SOS emergency alarm
Intercom tone switch
Key lock
Battery display / low battery prompt
report punctually
Platfrom：Real-PTT
Single call can accommodate 1000 members
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