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TM-7700
Model:TM-7700
Specification:
Main Function:
1.GPS Function
2.SOS & APRS function
3.Voice Prompt
4.Group Call, Private Call, Friends Call, Emergency Call
5. Network Signal Strength Prompt
Block Diagram:

Main Function:

1.GPS Function

2.SOS & APRS function

3.Voice Prompt

4.Group Call, Private Call, Friends Call, Emergency Call

5. Network Signal Strength Prompt


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