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WF931

WF931 is a Sigfox module for the Japan region, Up&Downlink both way communication. Compliant with ARIB regulations in Japan and SIGFOX RC3 certified.
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RC3

Countries adapted for RC3

.
Commercially availableNov, 2018

Certified

Made by

SMK Corporation

WF931 is a Down & Uplink module for the Japan region. Small size of 13 x 13 x 2.3mm works well on your development with small sized products. External antenna intended as well as SMK recommended built-in antenna pattern design available. Simply operates through UART with AT commands.   

External links

View the product website

Certification

Certification

Sigfox Verified

End Product Certificate M_0031_1CE0_01

ARIB

Business

Availability
Commercially availableNov, 2018

Technical Details

Product casing

Dimensions (in mm): 13 x 13 x 2.3

Weight: 2.5gr

Sigfox Connectivity

RF:

Max Tx Radiated Power: +13 dBm

Rx Sensitivity: -125 dBm

Product electrical characteristics

Power Supply: From 2.2V to 3.6V

Power Consumption:

Tx: 45 mA

Rx: 15 mA

Idle: 1.8 μA

Embedded Software

SDK: No

External antenna

A connector for an external antenna is available

Reviews

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Other products from SMK Corporation (2)

WF923

WF923 is the first wireless module enabling 920MHz band SIGFOX communication in Japan. It is compliant with ARIB regulations in Japan as well as SIGFOX RCZ3 module certification.
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WF941

WF941 is a Sigfox module for RC3 (Japanese market). It is small surface mount type module without antenna.
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