Introduce the technology of cell broadcast service in the GSM digital mobile communication system as well as its service application and future development prospect.

介绍在数字移动通信中小区广播业务的技术实现原理，业务种类及发展前景。

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Cruising right alongside wireless broadband and DMB (Digital Media Broadcast) cell phones, telematics refers more specifically to automobiles receiving remote information from commercial service providers.

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