Cheap UHF spectrum analyzer (and RC tx rx) using RFM22 module

Funny, I had to put this project on hold. But yesterday I picked it all up and finished to assemble the boards.
Seems I'll have to do some more modifications. :slight_smile:

@zachwiej, check here for example: http://fpvlab.com/forums/showthread.php?3156-433MHz-Half-wave-dipole-for-LRS