The distance problem is most likely from the wrong antenna length.
315 MHz requires a 22.619 cm antenna. 1/4 wave length. And yes, a couple of cm will make a very big difference.
The 1/4 wave antenna needs to be worked against a ground plane.
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The distance problem is most likely from the wrong antenna length.
315 MHz requires a 22.619 cm antenna. 1/4 wave length. And yes, a couple of cm will make a very big difference.
The 1/4 wave antenna needs to be worked against a ground plane.
Dave
Always wear safety glasses while programming.
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