Please be advised that this radio configuration (RC4) is not adapted for United States.
The SFM10R4 Sigfox Only mode module is a miniaturized module (13.0 x 20.0 x 2.21 mm) for Zone4 (Australia, New Zealand). The module has an integrated MCU as well as an integrated RF transceiver and supports UART for external communication.
TCXO is used on the module to keep the frequency tolerance for operational bands all over the product life
End Product Certificate M_0042_6128_01
FCC id : 2ABA2SFM10R4
Dimensions (in mm): 13 x 20 x 2.21
Power Supply: From 2.7V to 3.6V
Tx: 170 mA
Rx: 32 mA
Idle: 2.5 μA
No connector for an additional external antenna