Megastek MT80T

Megastek MT80T is a health-tracking GPS watch with medical and positioning functions. The device can monitor body temperature, blood oxygen, and heart rate continuously for 24 hours, The watch also supports real-time positioning, two-way communication, wristband disconnection alarm, SOS alarm, geofence alarm, and more. The device features an IP66 water-resistant casing.

Protocol: megastek Manufacturer: Megastek Forum discussion
Custom Command
Send custom command to device
payload: Command payload
Read GPRS schedule upload interval
Set GPRS schedule upload interval 30 seconds