cdmaOne is a brand name for a 2nd generation mobile radio system whose specifications are based on the TIA/EIA standardIS-95, whereby IS-95 refers to earlier protocol sets. Operating according to Code Division Multiple Access (CDMA), cdmaOne is a migration stage towards CDMA2000
. cdmaOne describes an end-to-end radio system that offers a range of services. These include cellular operation, Personal Communication Service (PCS), the fixed radio link and roaming.