Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 902-1997 Test Method of STM-1, STM-4, STM-16 Regenerative Trunk Equipments $300.00 via email in 1~3 business day valid
YD/T 903-1997 Technical conditions of mode field diameters for optical fibers $260.00 via email in 1~3 business day abolished
YD/T 904-1997 Methods of measurement for SDH microwave communication systems $180.00 via email in 1~3 business day valid
YD/T 905-1997 Multipoint control untts for audiovisual systems using digital channels up to 1920kbit/s $160.00 via email in 1~3 business day valid
YD/T 906-1997 A Real time control protocol for simplex applications using LSD/HSD/MLP channels of the frame structure for A64TO 1920kbit/s channel in i $130.00 via email in 1~3 business day valid
YD/T 907-1997 Regulations for numbers, letters and signs for dialing over telephone set and other equipment accessed to telephone network $300.00 via email in 1~3 business day superseded
YD/T 907-2011 Regulations for numbers, letters and signs for dialing over telephone set and other equipment accessed to telephone network $100.00 via email in 1~3 business day valid
YD/T 908-1997 Naming rules for type of optical fibre cables $90.00 via email in 1~3 business day superseded
YD/T 908-2000 Naming rules for type of optical fibre cables $344.00 via email in 1~3 business day superseded
YD/T 908-2011 The Naming Rules for Type of Optical Fibre Cables $220.00 immediately superseded
YD/T 908-2020 Naming rules for type of optical fibre cables $255.00 via email in 1~3 business day valid
YD/T 909-1997 General Technical Requests of STM-1 SDH Microwave Telecommunication Systems for 4~11 GHz $360.00 via email in 1~3 business day valid
YD/T 910.1-1997 900/1800MHz TDMA digital cellular mobile telecommunication network man-machine of mobile station(Phase 2) $1180.00 via email in 1~5 business day valid
YD/T 910.21-1998 900/1800MHz TDMA digital cellular mobile telecommunication netwrok radio interface signaling part (Phase2) $3000.00 via email in 1~3 business day valid
YD/T 910.22-1998 900/1800MHz TDMA digital cellular mobile telecommunication network radio interface $520.00 via email in 1~3 business day valid
YD/T 910.3-1997 900/1800 MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of Mobile Services Swiching Center-Base Station $970.00 via email in 1~3 business day valid
YD/T 910.4-1997 900/1800 MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of Mobile Application Part(MAP) (Phase 2) $2250.00 via email in 1~3 business day valid
YD/T 911-1997 Networking technical requirement for the Ku band domestic satellite communication system $190.00 via email in 1~3 business day abolished
YD/T 912-1997 Lower layer protocol profiles forthe Q3 and X interface $600.00 via email in 1~3 business day valid
YD/T 913-1997 Digital subscriber signalling system No.1(DSS1)-typical DSS1 service indicator codings for ISDN telecommunications services $630.00 via email in 1~3 business day valid


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