1. Mainly developed for MANs .
2. Uses the Distributed Queue Dual Bus (DQDB) network form.
3. DQDB is Data-link layer communication protocol .
4. Used for data, voice and video transmission based on cell switching technology.
5. DQDB can cover distance up to 30 miles and supports transfer rate ranging from 34 Mbps to 154 Mbps.
6. DQDB consists of two unidirectional buses .