Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Yradio frequency (RF) - Electromagnetic carrier waves upon which audio, video, or data signals can be superimposed for transmission.
RADSL - See rate-adaptive asymmetric digital subscriber line.
rate-adaptive digital subscriber line (RADSL) - A variation of DSL that uses carrierless amplitude phase modulation, divides the available frequencies into discrete sub-channels and also maximizes performance by adjusting the transmission to the quality of the phone line while in use.
RBOC - See Regional Bell Operating Company.
Regional Bell Operating Company (RBOC) - One of the seven local telephone companies formed upon the divestiture of AT&T in 1984. The seven are: NYNEX, Bell Atlantic, BellSouth, Southwestern Bell, U S WEST, Ameritech, and Pacific Telesis.
RF - See radio frequency.
Router - The central switching device in a packet-switched computer network that directs and controls the flow of data through the network.
