1) Support 4G wireless transmission, access platform for centralized monitoring. Support two way voice calls between device and platform, support PTT cluster intercom.
2) Support data transmission by 3G/4G Netcom, Bluetooth, Wi-Fi, NFC
3) Built-in GPS and BDS enables nationwide dispatching and location tracking, gets location data in real time or periodically.
4) Dual battery: main battery 3500mAh detachable battery, sub-battery 350mAh, support to replace the battery without shutting down
5) Support loop recording, seamlessly record every second
