Breakout board and example code for the Si4707 weather band radio receiver.
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SparkFun Si4707 Weather Band Radio Receiver

SparkFun Si4707 Weather Band Radio Breakout

SparkFun Si4707 Weather Band Radio Breakout (WRL-11129)

The Si4707 IC is the industry's first weather band (WB) radio receiver to include a specific area message encoding (SAME) processor.


  • Weather band support (162.4–162.55 MHz)
  • SAME processor
  • 1050 Hz alert tone detection
  • Frequency synthesizer with integrated VCO
  • WB digital tuning
  • Programmable reference clock
  • 2.7 to 5.5 V supply voltage

Repository Contents

  • /Firmware - Arduino example sketch
  • /Hardware - PCB design files (created with version 6.2.0 of Eagle)
  • /Production - Production panel files (.brd)
  • Wiki - Be sure to check out the hardware support page for more information on using the Si4707 breakout board.


License Information

This product is open source!

The hardware is released under Creative Commons ShareAlike 4.0 International.

The code is beerware; if you see me (or any other SparkFun employee) at the local, and you've found our code helpful, please buy us a round!

Please use, reuse, and modify these files as you see fit. Please maintain attribution to SparkFun Electronics and release anything derivative under the same license.

Distributed as-is; no warranty is given.

  • Your friends at SparkFun.