Personal Communications Service

At the most basic level Personal Communications Service or PCS describes a set of wireless communications capabilities that allows some combination of terminal mobility, personal mobility, and service profile management. More specifically, PCS refers to any of several types of wireless voice and/or wireless data communications systems, typically incorporating digital technology, providing services similar to advanced cellular mobile or paging services. In addition, PCS can also be used to provide other wireless communications services, including services that allow people to place and receive communications while away from their home or office, as well as wireless communications to homes, office buildings and other fixed locations. Described in more commercial terms, PCS is a generation of wireless-phone technology that combines a range of features and services surpassing those available in analog- and digital-cellular phone systems, providing a user with an all-in-one wireless phone, paging, messaging, and data service.

The International Telecommunication Union describes Personal Communications Services as a component of the IMT-2000 (3G) standard. PCS and the IMT-2000 standard of which PCS is a part do not specify a particular air interface and channel access method. Wireless service providers may deploy equipment using any of several air interface and channel access methods, as long as the network meets the service description characteristics described in the standard.

In Canada, Mexico and the United States, PCS services are provided in the 1850-1990 MHz frequency band (commonly referred to as the "1900 MHz band"). This frequency band was designated by the United States FCC and Industry Canada to be used for new wireless services to alleviate capacity caps inherent in the original AMPS and D-AMPS cellular networks in the 800-894 MHz frequency band (commonly referred to as the "850 MHz band"). These frequency bands are particular to North America and other frequency bands may be designated in other regions.

Read more about Personal Communications Service:  First PCS Network in The United States

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