Radar Sentry (#3) Manufacturer Radatron, Incorporated. (North Tonowanda, NY) Vintage Early 60s to early 70s Bands S, X The Radar Sentry enjoys it's prestigious place in history as (for all practical purposes), the first commercial radar detector! A LOT more history and data on the Radar Sentry can be found on the Radar Sentry on our page about The First Commercial Radar Detectors. A later Radar Sentry that, judging from the discoloration, spent a little too much time in the box. HOME

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