BT glossary

This glossary is here to help you understand some of the acronyms you may encounter in this site. Select a letter below that your word begins with.

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Abbreviation

Term

Definition

Radio

Mesh radio is a high capacity wireless network where information is received and transmitted at broadband speeds via an antenna at your home or office.

RF

Radio frequency

Describes the portion of the spectrum used to transmit radio signals. Often used adjectivally.

RFI

Radio frequency interference

A characteristic by which signals radiated from one system cause misoperation of another.

Radiopaging

See Paging.

RISC

Reduced Instruction-Set Computer/Computing

Compared to CISC processors, RISC chips have smaller, but more, instructions that execute faster. A snag is that they need more memory. See also CISC.

RBOC

Regional Bell operating company

One of the companies providing local telephone service in the USA, created by the divestiture of the old AT&T organisation.

RSA

Rivest, Shamir and Adleman

An asymmetric encryption technique, named after its inventors Rivest, Shamir and Adleman. Based on the assumption that the factoring of the product of two large prime numbers is very difficult.

Router

A modem capable of providing service to more than one computer in your home or office.