[MRCA] Dung shaped motion sensors

[Al Klase]

Of course they're hard to find.  Especially in the lawn.  - Al

On 10/20/2010 4:52 AM, Robert Flory wrote:
> Hi,
> I was just googling around unsuccessfully using terms like Vietnam, motion, sensor, dung, microphone, transmitter etc. but didn't find what I was after.
>
> What is the proper nomenclature for the little dung-shaped intrusion detector?  Are they hard to find?  What frequency and modulation mode do they use?
>
> Rob Flory
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/