Sinotrack ST-901M

Sinotrack ST-901M is a basic vehicle GPS tracker. The device features rich monitoring functionality, geofencing, power cut-off alarm, shock alarm, overspeeding alarm, numerous reports, and more.

Protocol: sinotrack Manufacturer: Auto Leaders Forum discussion
Properties
Custom command
custom
Send custom command to device without waiting for response, Scheme: "*,,#". You have to specify payload only
payload: Payload string
Mileage query command S32
{"payload":"S32,000000,1"}