The WS2118-00 is a sub-1GHz with PA and Bluetooth® low energy ultra-low power wireless MCU module. This module is built-in STM S2-LP and BlueNRG-1 chip.
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Countries adapted for RC1, RC3

Commercially available


Made by

WS2118-00 is a cost-effective, high performance, ultra-low power, sub-1GHz and Bluetooth® low energy RF device. Very low active RF and MCU current and low-power mode current consumption provide excellent battery lifetime and allow for operation on small coin cell batteries and in energy-harvesting applications. The radio frequency supports Sigfox RC1 and RC3. 

You can get the module and EVB online from Digikey: 

Downloadable resources
  • WS2118-00A-DTS-R03_210729.pdf

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Sigfox Verified

End Product Certificate M_0045_D932_02



Commercially available
Warranty duration

1 year(s)

Technical Details

Product casing

Dimensions (in mm): 22 x 24 x 2.8

Weight: 2.35gr


Bluetooth Low Energy (BLE)


Sigfox Connectivity


Max Tx Radiated Power: +16 dBm

Rx Sensitivity: -130 dBm

Product electrical characteristics

Power Supply: From 1.8V to 3.3V

Power Consumption:

Tx: 22.5 mA

Rx: 9.9 mA

Idle: 1.8 μA

Embedded Software

SDK: Yes

External antenna

A connector for an external antenna is available


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