FM Radio Modules

  The Unlicensed Bands 433MHz 868MHz 915MHz Antenna Wire antenna A very good antenna to use for maximum range.  Use a length of wire (or a PCB track) 1/4 wave length (e.g. 172mm for 433MHz).  The optimum is to use the wire straight, but it can also be bent into a 'L 'or 'U' shape if necessary […]

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