Choosing a Wireless Module

Thread Starter

Prof.

Joined May 19, 2010
1
Hi, I am currently planning to design a kind of a key finding device where if someone pushes a button on a small remote, an alarm goes off on a key fob.

I just need to know what kind of wireless solution to use. I am thinking of using a 315MHz or 434MHz RF transmitter/receiver combo. We just need to keep in mind that it should be low power, with at least 50m - 100m of range outside. The project is for school.

The things I'm worrying about is the power consumption on both ends, and external noise that might trigger a false alarm. Can anyone recommend a product?
 
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