In what year did the Federal Communications Commission (FCC) authorize amateur radio spread spectrum communications?
A: 1985
B: 1988
C: 1990
D: 1992
Answer A…The ISM bands were first established at the International Telecommunications Conference of the ITU in Atlantic City, 1947. In the U.S., the FCC first made unlicensed spread spectrum available in the ISM bands in rules adopted on May 9, 1985
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