Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Title Standard No. Implemented On
Security Requirements and Test Specification for SoC in Mobile TerminalYD/T 1886-20092009-9-1
Technical Requirements for the GSM-based Digital Trunking Mobile Communication SystemYDC 030-20042004-11-2
Technical Requirements for the CDMA-based Digital Trunking Mobile Communication SystemYDC 031-20042004-11-2
National No.7 signalling system technical requirement - GSM mobile telephone user part (MTUP)YD/T 1302-20042004-2-9
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