AMPS uses ______ to divide each 25-MHz band into channels.

D-AMPS uses ______ to divide each 25-MHz band into channels.

GSM allows a reuse factor of _______.

GSM is a digital cellular phone system using ________.

IS-95 is based on ____________.

IS-95 uses the ISM _______band.

AMPS uses ______ to divide each 25-MHz band into channels.