Introduction to Personal Communication Service (PCS)
Personal communication service (PCS) is the name for the 1900MHz radio band that is employed for digital mobile phone services in Canada, Mexico and the United states. Code division multiple access (CDMA), GSM (global system for mobiles) and D-AMPS systems can be employed on PCS frequencies. The FCC, also industry Canada set away the frequency band of 1850-1990 MHZ for mobile phone utilize in the year 1994, like the original cellular phone band at 800-894MHz was becoming overcrowded. Dual band GSM phones are able of working in both 850 and 1900MHz bands. Though GSM "world phones" (some of that are termed as quad-band phones or tri-band) that offered by North American carriers support both European, outside the USA (united state of America), PCS is employed to consider to GSM-1900. In Hong-Kong PCS employed to refer to GSM-1800.
The first company was Sprint to set up a PCS network that was a GSM-1900network in the Baltimore- Washington metropolitan area in the USA (united state of America). Ultimately though, sprint converted that network to CDMA technology and sold the GSM infrastructure to Omni point that later became part of T-mobile USA (united state of America). These days the PCS frequencies have been accepted for use in several parts of the Americas.
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