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Database: 189760 (25 Oct 2025)
YDC021-2003 English PDF
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Standard Title (Description)
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YDC 021-2003
English
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Technical Specification of Upper Layer (Layer3) Signaling for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network
Obsolete
YDC 021-2003
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Basic data
Standard ID
YDC 021-2003 (YDC021-2003)
Description (Translated English)
Technical Specification of Upper Layer (Layer3) Signaling for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network
Sector / Industry
Telecommunication Industry Standard
Classification of Chinese Standard
M37
Classification of International Standard
33.070.60
Word Count Estimation
636,617
Date of Implementation
2003-05-28
Adopted Standard
3GPP2 C.S0005-A-1; MOD
Regulation (derived from)
Engineering [2010] No. 134; Ministry of Industry and Information Bulletin No. 37 of 2013