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Glossary
Air Time
Actual time spent talking on the wireless phone.
Most carriers bill customers based on how many
minutes of airtime they use each month.
Antenna
A device for transmitting or receiving signals. The
size and shape of antennas is determined, in part,
by the frequency of the signal they receive.
Wireless phones and the base station must have
antennas.
Call Diverting
Ability to reroute calls to another number.
Call Waiting
Informs you that you have an incoming call when
you are engaged on another call.
Caller Line Identification Services (Caller ID)
Services allowing subscribers to view or block the
telephone numbers of callers.
CDMA (Code Division Multiple Access)
A spread-spectrum approach to digital
transmission. With CDMA, each conversion is
digitized and then tagged with a code. The mobile
phone deciphers only a particular code to pick the
right conversation off the air. The transmitted
signal is just above noise level across the available
bandwidth.
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