Meitrack P99G

Meitrack P99G is a personal 3G GPS tracker specially designed for sports lovers and lone workers for operation both indoors and outdoors. The device features two-way calling, SOS button, low power consumption and long standby time, polygonal geo-fence alarm, man down alarm, optional wireless charging and magnetic charging, IP67 water-resistant casing, and more.

Protocol: meitrack Manufacturer: Meitrack Forum discussion
Properties
Device Information
device_info
Generic device information.
serial: Serial Number
firmware: Firmware Version
Server Settings Setup
server
The server send command to tracker to setup server settings
apn: APN
host: Host
port: Port
password: APN Password
username: APN Username