| Standard No. | 
                        Title | 
                        Price(USD) | 
                        Delivery | 
                        Status | 
                        Add To Cart | 
                    
                                        
                        | YD/T 1657.4-2007 | 
                        Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services Part 4:H.248 Proxy | 
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                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 839.3-2000 | 
                        Filling compounds and flooding compounds for telecommunication cable and optical fiber cable Part3:Cool-application filling compounds | 
                         135 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
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                                                                                   | 
                    
                                        
                        | YDN 062-1997 | 
                        Fault Detection and Locating Procedure for PDH Passage, Section and Transmission System as well as SDH Passage and Multiplex Section | 
                         240 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YDC 043.1-2006 | 
                        Technical Requirements of Wireless Application Protocol(WAP)Part 1 Architecture | 
                         465 (USD)  | 
                        via email in
                                                                                                                                                1-5 business day
                                                                                    
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 502-1991 | 
                         | 
                         | 
                        via email in
                                                                                                                                                                        
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                                                                                                                                             ABOLISHED                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 958-1998 | 
                        Digital subscriber signalling system No.1(DSS1)-signalling specification for frame mode basic call control | 
                         915 (USD)  | 
                        via email in
                                                                                                                                                                            1-8 business day
                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YDN 142-2008 | 
                        Test Method for Network Intrusion Detection System | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 1812.2-2009 | 
                        Technical Specifications and Test Method of 10Gbit/s TOSA and ROSA Part 2:10Gbit/s Cooled TOSA | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YDB 012-2007 | 
                         | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 2750-2014 | 
                         | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 623-1993 | 
                         | 
                         165 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1210-2002 | 
                        900/1800MHz TDMA digital cellular mobile telecommunications netwrok test method of Service Switching Point (SSP)for CAMEL2 | 
                         1065 (USD)  | 
                        via email in
                                                                                                                                                                            1-8 business day
                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1405-2005 | 
                        Technical requirements of security routing for inter-public telecom network | 
                         120 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 122-1997 | 
                         | 
                         225 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                                                        
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 828.312-1996 | 
                        Measuring Method of Equipments Used in Digital Microwave Wireless Transmission System Part 3 Measurement of Satellite Communication Earth Stations Section 12: Total System Performances | 
                         85 (USD)  | 
                        via email in
                                                            1 business day
                                                                                                                                                                        
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1094-2000 | 
                        900/1800 MHz TDMA Digital Cellulor Mobile | 
                         420 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T 1547-2007 | 
                        Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network User Equipment (Phase Ⅰ) | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
                                        
                        | YD/T 1008-1999 | 
                        Technical requirements and measurement methods for mobile communication shift frequency repeater | 
                         225 (USD)  | 
                        via email in
                                                                                                                    1-3 business day
                                                                                                                
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YDN 117-1999 | 
                         | 
                         645 (USD)  | 
                        via email in
                                                                                                                                                1-5 business day
                                                                                    
                         | 
                        
                             VALID                                                                                                                                             
                         | 
                                                        
                                                                                   | 
                    
                                        
                        | YD/T/Z 17-1978 | 
                         | 
                         | 
                        via email in
                                                                                                                                                                        
                         | 
                        
                                                                                                                                             ABOLISHED                             
                         | 
                                                        please email coc@codeofchina.com for quotation
                                                 | 
                    
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