無線咪何時出現

Reg Moores developed a radio microphone that was first used in "Alladin on Ice" in 1949.

John F. Stephens developed an FM wireless microphone for a Navy musical show in 1951 on the Memphis Naval base. .

Herbert "Mac" McClelland, founder of McClelland Sound in Wichita, Kansas, fabricated a wireless microphone to be worn by baseball umpires at major league games broadcast by NBC from Lawrence-Dumont Stadium in 1951
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Shure Incorporated claims that its "Vagabond" system from 1953 was the first.

In 1957 German audio equipment manufacturer Sennheiser, at that time called Lab W, working with the German broadcaster Norddeutscher Rundfunk (NDR) exhibited a wireless microphone system.