This is a networking technology that uses a line's entire available bandwidth to transfer a single signal of digital data. Signals are not modulated and only one kind of signal (voice or data) can be sent at a time.

The technique of transmitting a digital signal over a single medium. The entire bandwidth is used to transmit the single digital signal.

Bandwidth characteristic of networks occupied by a single digital signal, such as Ethernet or Token Ring LANs.

The transmission of signals without modulation. In a digital baseband network, binary values are transmitted directly onto the transmission line as voltage variations between two values.