1. Support WCDMA/GSM/4G/.
2. Bluetooth is acceptable.(Optional)
3. Support GPS.
4. The system is developed based on Android 4.1.
5. High battery capacity, about 4400mAh.
6. Unlimited talk range
7. Walkie talkie can be used with SIM card only
8. Support 1/2 ,call 2/2 call
9. Support record vocie communication automatically.
10. The battery strength alert
Operating environment -25~75℃
Working requirements 3.7~4.2V
RX Sensitivity -107dbm
Battery power 4400mAh
Charging requirement 5V