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RF transmitter and receiver selection - RF Cafe Forums

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noobian

Post subject: RF transmitter and receiver selection Posted: Wed Oct 14, 2009 12:13 am

Lieutenant

Joined: Tue Oct 13, 2009 11:45 pm

Posts: 1

Hi there, First of all I applogize if I've posted this in the wrong index.

I'm brand new to the world of RF and I'm attempting a design project I've had in my head for a while now. I'm getting overwhelmed while trying to source/specify the correct receiver/transmitter combo for the job.

This is a household application (not just a garage door opener, need range in the entire house/multi levels). Ridiculously low data rate needed.

What frequency range should I be looking at? What type of modulation scheme is recommended? Are there household frequency ranges?

I'm looking for an "off the shelf", ie. digikey, product that's cheap, SMALL, and user friendly. Something that would work with a small antenna or PCB antenna would be good too. Any suggestions? Or any features I should be considering and have not listed here?

A friend suggested ZigBee but that can be costly.

Basically I have no idea where to begin designing this RF link and would love any bits of info you have to share.

Posted  11/12/2012

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