BT glossary - R

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



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.



Radio frequency

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



Radio frequency interference

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



See Paging.



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.



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.



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.



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