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G G l l o o s s s s a a r r y y
RF - Radio Frequency
Roaming - The ability to use a wireless phone to
make and receive calls in places outside of the home
service area.
Service Charge - The amount paid each month to
receive wireless service.
Standby Time - The amount of time a fully charged
wireless portable or transportable phone can be on
and idle without being in use. (See Talk Time)
Talk Time - The length of time a person can talk on
a portable or transportable wireless phone without
recharging the battery.
Vocoder - Voice Coder. A device used to convert
speech into digital signals.
Wireless - Radio-based Systems that allow
transmission of telephone or data signals through the
air without a physical connection, such as a metal
wire (copper) or fiber optic cable.
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