Mielta M1

Mielta M1 is a small and efficient vehicle GPS tracking device with GPS, GSM, and Bluetooth 3.0 connectivity working over Wialon IPS protocol. The device features RS-485 and Wire-1 interfaces supporting up to 16 digital sensors, black box for up to 10000 points, built-in accelerometer, remote configurability and a wide range of peripherals.

Protocol: wialon-ips Manufacturer: Mielta Forum discussion
Custom message command
The command is used to send custom messages to the device. It allows to implement additional features necessary for the controller. is added automatically
message: Text of the message
Send custom message command
{"message":"Text of the message"}
Text message
Send text message to device
message: Text message content
Send text message
{"message":"this is message text"}