Before revision: ASTEC UM 1286 UHF modulator, top cover taken off An RF modulator ( or radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles to a format that can be handled by a device designed to receive a modulated RF input, such as a radio or television receiver.
After revision: ASTEC UM 1286 UHF modulat, top cover taken off An RF modulator ( or radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles to a format that can be handled by a device designed to receive a modulated RF input, such as a radio or television receiver.