Ministry of Information Industry of China has formally released a series of standards, technical specifications and testing methods for dual-mode TD-SCDMA/GSM and GPRS mobile phones.

Jointly drafted by six units of Telecom Research Institute of MII, Datang Telecom, ZTE, Spreadtrum, Tianqi Technology and Commit, the new standard makes YDC 063-2007 and YDC 064-2007 as the technical specification and testing method of dual-mode mobile phones, respectively. It is formulated to coordinate with the process of the commercial use of TD-SCDMA and to guide the development of TD terminal chips and other terminal products.

Dual-mode means to have mobile phones own the functions of the two networks of TD-SCDMA and GSM/GPRS and enables the two networks to be online at the same time.

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