Region 3 (Japan RC3c) SigFox module from Korean manufacturer Wisol, reference SFM11R3 or WSSFM11R3AT.
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.
Thanks to its small size, the Wisol SFM11R3 module allows a very small board design compared to the existing Sigfox modules on the market.
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)
|Country of Manufacture||South Korea|