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SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).

elaerico

Member Since: December 19, 2010

Country: United States

  • I have a maybe stupid question. Today I’ve received 2 of this modules, and I need to know if I need a crystal of 434 MHZ or if it works without it.
    Thanks

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