A common method is to use a PIN diode switching circuit.  The Agilent web
site has many PIN diodes and application notes.

You could also use a diplexor arrangement if you stagger your transceiver
frequencies.

Scott



                    brah
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                    T.COM.AU>            cc:
                    Sent by: pic         Subject:     [PIC]: UHF Transmission
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                    10/21/01 11:38
                    AM
                    Please respond
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I'm transmitting data from PIC to PIC via separate 433MHz rx and tx
boards.
Does anyone know a source of antenna relays that can be switched
rapidly, say two or four times a second, and have a long life span at
that rate?
Is there any such thing as solid sate relays that would do this?
Power is lo, 2mW.
Regards Howard.

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