RCZ1 module/modem ( uplink and downlink ) with AT-commandset.
Commercially available
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Radio Configuration (RC)

Countries adapted for RC1

Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, French Guiana, Germany, Hungary, Iran , Ireland, Italy, Kenya, Liechtenstein, Luxembourg, Malta, Mauritius, Mayotte, Netherlands, New Caledonia, Norway, Oman, Portugal, Reunion, Romania, Saint Lucia, Slovakia, South Africa, Spain, Sweden, Switzerland, Tunisia, United Kingdom
Learn more about coverage & RC


Made by

Smart RCZ1 SIGFOX module based on ST devices ( S2-LP, STM32L and BALUN ) using AT-commandset for easy integration. Either Würth chip antenna or U.FL connector for external antenna availiable. IoT crystals from Abracon.

Ecosystem for development availiable for Arduino/Nucleo Shield and ClickBoard. 

Ready to run demo system as Sigfox USB-Stick with PC software.

Customization and consulting for desing in or customer application availiable.

Downloadable resources
  • Brief Description v9.pdf

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Sigfox Verified

End Product Certificate M_006A_BB23_01




Commercially available

Technical Details

Product casing

Dimensions (in mm): 37.6 x 15.0 x 3.0

Weight: 2gr

Sigfox Connectivity


Max Tx Radiated Power: +12 dBm

Rx Sensitivity: -124 dBm

Product electrical characteristics

Power Supply: From 1.8V to 3.3V

Power Consumption:

Tx: 25 mA

Rx: 1000 μA

Idle: 100 μA

Embedded Software

Memory Size for Client Firmware: 20Kb


External antenna

No connector for an additional external antenna


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