Communication is a much needed part in telematics, it is also best in use during an unwanted situation where the person needs to give information to the second person.
When mic and speaker are connected, we can make a call using a preset SOS number. After 10 seconds device enters into a two-way communication mode. You can also monitor voice by using mic only. Highly recommended in cabs for women safety.
The GPS device comes with a mic and a speaker to make two-way communication possible with SOS (optional).