GSM1800 is the term used to denote GSM operating in the 1800 MHz band. The 1800 MHz band ranges from 1710 - 1785 MHz and from 1805 - 1880 MHz. Mobiles transmit in the lower band and base stations transmit in the upper band.

GSM1800 is also known under the old name Digital Communications System 1800 (DCS1800).

See also