World War II American electronics

device for generating microwaves

Electronic equipment for finding radio sources

thumb|right|Motorola SCR-300 circa 1940 The SCR-300, designated AN/VRC-3 under the Joint Electronics Type Designation System, was a portable frequency modulated (FM) radio transceiver used by US Signal Corps in World War II. This backpack-mounted unit was the first radio to be nicknamed a "walkie talkie".

thumb|right|upright|SCR-536 "handie talkie". thumb|upright|BC-611 on display at National Cryptologic Museum The SCR-536 (also referred to as the BC-611) was a hand-held radio transceiver used by the US Army Signal Corps in World War II. It is popularly referred to as a walkie talkie, although it was originally designated a "handie talkie".

radar system deployed on United States Navy ships

British delegation to the U.S. during WWII