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Radio-frequency
fingerprinting
A process that identifies a cellular phone by
the unique "fingerprint" that characterizes its signal
transmission. RF fingerprinting is one process used
to prevent cloning fraud, since a cloned phone will
not have the same fingerprint as the legal phone with
the same electronic identification numbers.
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Rate
center
The geographic area used by local exchange carriers
to set rate boundaries for billing and for issuing
phone numbers. Wireless industry groups decry the
rate center concept as wasteful of phone numbers because
the concept is issued over larger areas.
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RBOC
(regional Bell operating company)
The list of such companies includes Bell Atlantic,
U S West, Ameritech, Southwestern Bell and BellSouth.
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Refarming
An FCC initiative to promote more efficient use
of the frequency bands below 512 MHz, allocated to
private land mobile radio services.
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Repeater
Devices that receive a radio signal, amplify
it and re-transmit it in a new direction. Used in
wireless networks to extend the range of base station
signals, thereby expanding coverage-within limits-more
economically than by building additional base stations.
Repeaters typically are used for buildings, tunnels
or difficult terrain..
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Roaming
Traveling outside a carrier's local area.
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Roaming
Agreement
A agreement among wireless carriers allowing users
to use their phone on systems other their own home
systems. Roaming Fee charged for roaming.
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RSA
(rural service area)
One of the 428 FCC designated rural markets across
the United States.
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