GlossaryA B C D E F G H I J K L M N O P Q R S T U V W X Y
RADSL - See rate-adaptive asymmetric digital subscriber line.
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.