Definition[edit | edit source]
|“||have a smaller bandwidth (on the order of kHz) and are used for limited services such as paging and low-speed data transmission.||”|
Overview[edit | edit source]
The term applies to telecommunications facilities capable of carrying only voice, facsimile images, slow-scan video images and data transmissions at kilobit speeds. The term is commonly applied to voice-grade analog facilities and to digital facilities operating at low speeds (less than 1.544 Mbps).