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YD/T 1777.1-2008 Testing Methods for User Equipment (HSDPA)of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network HSDPA Part 1:Basic Operation、Services and Performance Test 2625 (USD) via email in 1-10 business day ABOLISHED
YD/T 2641-2013 Visual surveillance system over telecommunication network intelligent analysis and sensor superposition application architecture and overall technical requirements via email in 1 business day VALID please email coc@codeofchina.com for quotation
YDC 082.1-2009 via email in VALID please email coc@codeofchina.com for quotation
YD/T 2623-2013 Technical requirements?for mobile evolved packet core network(EPC) interface S2a/S101/S102/S103 1464 (USD) via email in 1 business day VALID
YD/T 5099-2001 Acceptance Specification of the Equipment Installation Engineering for Radio Paging Network 405 (USD) via email in 1-3 business day VALID
YD/T 1908-2009 AAA Technical Requirements for Public IP network -- Access Control by DHCP+ based on EAP via email in VALID please email coc@codeofchina.com for quotation
YD 217-1981 15 (USD) via email in 1-3 business day ABOLISHED
YDB 008.2-2007 via email in VALID please email coc@codeofchina.com for quotation
YD/T 978-1998 Technical requirment and test method for digital queue equipment of PSTN 375 (USD) via email in 1-3 business day VALID
YD/T 1843.6-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network:HSUPA Physical Layer Technical Requirements Part 6: Physical Layer Measurement via email in VALID please email coc@codeofchina.com for quotation
YD/T 1306-2004 800MHz CDMA digital cellular mobile communication network Wireless Intelligent Network(WIN)phase 1:test method for prepaid charging service 2175 (USD) via email in 1-10 business day VALID
YDJ 7-1984 Specification for Installation Design of Crossbar System Urban Local Telephone Exchange Equipment 900 (USD) via email in 1 business day VALID
YD/T 5090-2000 Acceptance Standards of Synchronization Equipment Installation Project for Digital Synchronization Network 255 (USD) via email in 1-3 business day ABOLISHED
YD/T 1428.7-2005 Testing methods for 900/1800MHz TDMA digital cellular mobile Communication network CAMEL Application Part (CAP)(CAMEL3) 2355 (USD) via email in 1-10 business day VALID
YDC 037-2004 Test Specification for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network High Rate Packet Data Access Terminal Part 1395 (USD) via email in 1-10 business day ABOLISHED
YD/T 1587.2-2007 Technical Specification for 2GHz cdma2000 Digital Cell Mobile Communication Network Management (Phase Ⅰ)Part 2 Performance Network Resoure Model via email in VALID please email coc@codeofchina.com for quotation
YD/T 564-1992 Technical requirements and test methods for toll service boards (Toll recording boards enquiry desks) In manual toll telephone swiching eqiupments 75 (USD) via email in 1-3 business day VALID
YD 5026-1996 Installation and design standard for cabling duct in the transmission room of long haul telecommunication 390 (USD) via email in 1-3 business day ABOLISHED
YD/T 694-2004 Main distribution frame 435 (USD) via email in 1-3 business day VALID
YD/T 1710.1-2007 Smart Antennas for TD-SCDMA Digital Cellular Mobile Communication Network Part 1:Antenna Array 315 (USD) via email in 1-3 business day ABOLISHED
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