SigFox module of Korean manufacturer Wisol, reference SFM20R1 or WSSFM20R1AT.
This module will allow you to integrate and use the SigFox LPWan network in your IOT project design, offering a very simple data transmission functionality.
This modul also integrates other features, such as GPS, Wifi, BLE and Accelerometer.
Thanks to its small size and the native integration of the GPS and accelerometer sensors, the Wisol SFM20R1 module allows an ultra compact card design.
The SigFox network allows sending 12 bytes messages long.
The module is controlled with serial AT commands sent on TX/RX pins.
Below is the communication specification and AT commands to use.
Serial communication: 9600 bauds, 8bits, 1 stop bit, no parity
|Get Module ID:||AT$I=10|
|Get PAC code:||AT$I=11|
|Send a SIGFOX message:||AT$SF=XXXXXXXXXXXX (Hexadecimal value)|
|Send a SIGFOX message with downlink frame:||AT$SF=XXXXXXXXXXXX,1 (Hexadecimal value)
Additionals information to start your project, are available on the manufacturer's Github: https://github.com/wisol-SFM/WSSFM20Rx_12x
|Country of Manufacture||South Korea|