SHOWCASE 5. CELL 5-14

BC-457-A - Aircraft 40 W communications transmitter, part of SCR-274-N command set. 4.0…5.3 MHz, A1 / A3. Powered by DM-33 dynamotor located on BC-456 modulator unit. Manufactured by Western Electric from 1940. 

We have another aircraft TX, BC-458 (5.3…7.0 MHz), on display in Showcase No.2.