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Pic RF Transmitter & Receiver

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uludere72

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pic rf transmitter

I want to send 4 bit data by RF (AM or FM) and Receiev it ! Distance 30 Meter
Are there Any RF chip for it !!
 

techie

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There are many module avaialable to do that. Search for RF module and you will get many answers.

If you want to use an extremely low cost solution then use a single transistor oscillator as used in keyless entry systems for cars. You can open one to see the circuit.
 

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