Military/Counter Intelligence Grade Telephone Analyzer 1970, 1980, 1990
The is a federal intelligence and military grade countermeasures unit that came out of Fort Mead called the BTA-3A. It is a telephone analyzer and wiretap bug zapper. It could also be used for intercepting telephone conversations. This unit is no longer in working condition but it's a great piece of intelligence and countermeasures history. It was used by US Military counter intelligence and intelligence units as well as the CIA in the 1970's, 1980's and 1990's. It had several functions. It's first function was telephone line sweeping. The unit could analyze a telephone line for bugs and wiretaps. The unit could then fry such devises on the line rendering them useless. it could also be used for or intercepting telephone conversations. it was built into a briefcase. The units new sold for well over $10,000.
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From The Ralph D. Thomas PI Vintage Collection
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