PCS refers to the three predominant digital cellular technologies operating in the 1.9-GHz band in the United States: CDMA, GSM and TDMA, all of which can allow data to be sent over cellular networks.
PCS (PERSONAL COMMUNICATIONS SERVICE)
Meaning of PCS (PERSONAL COMMUNICATIONS SERVICE) in English
Jensen's Technology English Glossary. Английский словарь фирмы Jensen Technologies. 2012