Chebyshev

I can't seem to find a place to buy them, besides china. Also, they seem to me programmable which doesn't interest me, since I either want an on or off

These are similar to XBees, I agree they are cheaper, but at $10 a piece it's still not in my budget, I was looking into building my own from scratch,...

Hey guys, I'm new here. I am looking to make my own wireless switches, by having a transmitter and receiver. I know I need to use some sort of modulation,...