For frequency division multiplexing who defines the channel bandwidth?(a) FCC(b) ARNIC(c) FAA(d) CCAI had been asked this question at a job interview.My question is from Frequency Division Multiplexing topic in portion Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

For frequency division multiplexing who defines the channel bandwidth?

1.	For frequency division multiplexing who defines the channel bandwidth?(a) FCC(b) ARNIC(c) FAA(d) CCAI had been asked this question at a job interview.My question is from Frequency Division Multiplexing topic in portion Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics
Answer» Correct ANSWER is (a) FCC Best explanation: The BANDWIDTHS of radio channels vary, and are usually determined by FCC REGULATIONS and the type of radio service involved. Regardless of the type of channel, a wide BANDWIDTH can be shared for the purpose of TRANSMITTING many signals at the same time.

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