ADN has various meanings in the Chat category. Discover the full forms, definitions, and usage contexts of ADN in Chat.
Advanced Digital Network A dedicated line service capable of transmitting data, video, and other digital sig-nals with exceptional reliability, offered as a premier ser-vice by communications companies. Usually Advanced Digital Network refers to speeds at or above 56 kilobits per second (Kbps). also dedicated line.
ChatLast updated: