Queclink GT300

Queclink GT300 is a powerful GPS/GSM safety phone for seniors and lone workers. The device features a man down alert, 5 geofences, OLED display, 4 configurable speed dial buttons, 1 configurable emergency call button, low power consumption, 850 mAh Li-Pol battery, and more.

Protocol: queclink Manufacturer: Queclink Forum discussion
AT Command
Send custom AT command to device
cmd: Command to send, after AT+
payload: Command payload after password and up to count number: ',FFFF$' will be appended automatically by server
password: Device password
Activate digital outputs
Custom Command
Send custom command to device
payload: Command payload
wait_ack: Wait ACK
Activate digital outputs