The WS2119-A0 is a sub-1GHz with PA and Bluetooth® low energy ultralow power wireless MCU module. This module is built-in STM S2-LP and BlueNRG-1 chip.
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Countries adapted for RC2, RC4

Commercially available


Made by

WS2119-A0 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 RC2 and RC4. 

You can get module and EVB from online 


Downloadable resources
  • WS2119-A0A-DTS-D05-20180302.pdf

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Sigfox Verified

End Product Certificate M_0045_CB90_01


FCC id : WS2-WS2119A0


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: +27 dBm

Rx Sensitivity: -130 dBm

Product electrical characteristics

Power Supply: From 1.8V to 3.6V

Power Consumption:

Tx: 265 mA

Rx: 9.7 mA

Idle: 2.5 μA

Embedded Software

SDK: Yes

External antenna

A connector for an external antenna is available


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