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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Countries adapted for RC3

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Commercially available

Certified

Made by

WF923 module is an Uplink only module which enables SIGFOX communication in Japan, to enjoy longer battery thanks to low energy consumption solution. Either external or inaternal antenna is available for your choice. Interface is UART, I2C, Digital I/O, and AD input. The Japan regional(ARIB) already certified with RC-3c, evolution to 192kHz. 

Downloadable resources
  • WF923 (RCZ3) module.pdf

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Certification

Certification

Sigfox Verified

End Product Certificate M_0031_CC23_01

ARIB

Business

Availability
Commercially available

Technical Details

Product casing

Dimensions (in mm): 35 x 20 x 2

Weight: 4gr

Sigfox Connectivity

RF:

Max Tx Radiated Power: +13 dBm

Product electrical characteristics

Power Supply: From 2.2V to 3.8V

Power Consumption:

Tx: 32 mA

Idle: 1 μA

Embedded Software

SDK: No

External antenna

A connector for an external antenna is available

Reviews

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