Quote Originally Posted by Ioannis View Post
I can understand that the issues you had might be module related. I never had any problems with FM modules and the ones I designed with the classic slicer approach (given that the proper transmission rules are followed). A good receiver should work 24/7 with no problem.
Agreed - but these are $5 (retail at Mouser Electronics) superregenerative ASK receivers with a maximum data rate of 4800bps.