GSM1800 (DCS1800)

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).