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NOS vintage USAF base security motion detector unit 51240-150 6350-01-073-1819:
$218.15
NOS USGI surplus. This is a pretty interesting item you don't see every day... this is a vintage USAF base security motion detector. It uses some sort of Doppler radar arrangement via the stick antenna to detect motion. I believe this dates back to the early 80s. This was super high tech back then!
LOC: TBD
