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YD/T 1279-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification——Interface definition based on CORBA (USD) via email in 1-10 business day VALID
YD/T 1973.3-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method - Part 3: Inter-working equipments via email in VALID please email coc@codeofchina.com for quotation
YD/T 1369.7-2006 Technical requirements for Iub interface of 2GHz TD-SCDMA digital cellular mobile communication network part 7:data transport & transport signalling for DCH data streams (USD) via email in 1-3 business day VALID
YD/T 1081-2000 SIM card for 900/1800MHz TDMA digital celluar mobile telecommunication network mobile station (USD) via email in 1-8 business day
YD/T 855.22-1996 (USD) via email in 1-5 business day VALID
YD/T 1591-2009 Technical requirements and test method for power adapter and charging/data port of mobile telecommunication terminal Equipment (USD) via email in 1-5 business day VALID
GB/T 15939-1995 General specification for land mobile communication system equipment using multi-channel access techniques without a central controller via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YD 5086-2005 Supervision Specification of Installation Engineering for Digital Mobile Communication Equipment(TDMA) (USD) via email in 1-3 business day VALID
YDC 064-2007 Test Method of TD-SCDMA/GSM (GPRS) Dual Mode Digital Mobile Station via email in VALID please email coc@codeofchina.com for quotation
YD/T 1843.3-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network: HSUPA Physical Layer Technical Requirements Part 3: Multiplexing and Channel Coding via email in VALID please email coc@codeofchina.com for quotation
YD/T 1861-2009 2GHz WCDMA Digital Cellular Mobile Telecommunication Network Technical Requirement of BBU Equipment (USD) via email in 1-3 business day VALID
GB/T 15844-2017 General specification for professional radio transceiver employing F3E emission in the mobile services (USD) via email in 1-8 business day VALID
YD/T 3230-2017 Common technical requirements and test methods for digital mobile telecommunication terminal via email in VALID please email coc@codeofchina.com for quotation
GF 006-1994 (USD) via email in 1-5 business day
YD/T 2037-2009 Differentiated security service for mobile communication via email in VALID please email coc@codeofchina.com for quotation
YD/T 1396-2005 900/1800MHz TDMA digital cellular mobile telecommunication network technical requirements for LCS service equipment:SMLC and GMLC (USD) via email in 1-8 business day VALID
YD/T 1592.1-2007 Technical Specification and Testing Methods for Electromagnetic Compatibility for TD-SCDMA Digital Cellular Mobile Communications System Part 1:User Equipment and Ancillary Equipment via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 19490-2004 Telecommunication regulation for maritime mobile services—General (USD) via email in 1-3 business day VALID
YD/T 1775-2008 Technical Specification for Filtering System of Short Messages Based on Users Rules (USD) via email in 1-3 business day VALID
YD/T 1721.4-2007 2GHz TD-SCDMA Digital Cellular Mobile Communication Network:HSDPA Physical Layer Technical Specification Phase 4:Spreading and Modulation via email in ABOLISHED please email coc@codeofchina.com for quotation
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