Mobile phones

Mobile phones

Industry: Mobile communications

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Mobile phones

F pcs block

Mobile communications; Mobile phones

The final PCS licence that was auctioned by the FCC in January 1997. Each contains 10 MHz of spectrum in the 1900 MHz band and is based on BTA geographic partitions. The licences were reserved for ...

D and e pcs blocks

Mobile communications; Mobile phones

The fourth and fifth PCS licences that were auctioned by the FCC in January 1997. Each contains MHz of spectrum in the 1900 MHz band and is based on BTA geographical partitions. The licences were ...

Fibre optic

Mobile communications; Mobile phones

Using fine, transparent lines for the transmission of data, digitally encoded into pulses of light. In terms of telephone conversations, a 1/2" copper cable can transmit about 25 conversations ...

Decibel (dB)

Mobile communications; Mobile phones

A unit of measure used to express relative difference in power or intensity of sound.

Firewire

Mobile communications; Mobile phones

Originally developed by Apple, this is an increasingly popular and very fast external bus for transferring data between devices; also known as IEEE 1394 for the name of the standard it engendered.

Digital

Mobile communications; Mobile phones

A method of encoding information using a binary code of 0s and 1s from electrical pulses. Because digital signals are made up only of binary streams, less information is needed to transmit a message. ...