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Std ID |
Description (Standard Title) |
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YD/T 2664-2013
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Protection safety level requirements for public telecommunications facilities
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YD/T 2439-2012
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Description format for mobile internet malicious code
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YD/T 2324-2011
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Technical specification and test methods for lightning protection of radio base stations
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YDC 084-2010
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No. 7 signaling network based on IP bearer network technology requirements
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YDC 085-2010
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Mobile terminal open platform and application security framework
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YDC 086-2010
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Telecommunication lines and equipment against lightning discharge protection measures
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YD/T 1840-2009
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Technical Specification for 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network User Equipment(HSUPA)
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YDC 066-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network High Rate Packet Data (HRPD) Equipment Technical Requirements: access network (Phase II))
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YDC 067-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network High Rate Packet Data (HRPD) Device Test Method: access network (Phase II))
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YDC 068-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network High Rate Packet Data (HRPD) Equipment Technical Requirements: access terminals (second phase))
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YDC 069-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network High Rate Packet Data (HRPD) device testing method: an access terminal (second stage))
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YDC 071-2008
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Technical Requirements for 800MHz CDMA 1X Digital Cellular Mobile Communications Network BCMCS Equipment - Access Network (AN)
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YDC 072-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network Broadcast Multicast Service Equipment Technical Requirements: Core Network)
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YDC 073-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network Broadcast Multicast Service Equipment Test Method: Core Network)
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YDC 074-2008
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Technical Requirements for 800MHz CDMA 1X Digital Cellular Mobile Communications Network BCMCS Equipment - Access Terminal (AT)
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YDC 075-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network Broadcast Multicast Service A interface requirements)
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YDC 076-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network Broadcast Multicast Service A interface test methods)
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YDC 077-2008
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(800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network Broadcast Multicast Service air interface technology requirements)
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YDC 078-2008
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Technical Requirements for Push-to-chat (PoC) Service based on TD-SCDMA Digital Cellular Mobile Communications Network
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YD/T 163L-2007
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Virtual concatenations and links of synchronous digital hierarchy (SDH)
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YD/T 16572-2007
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Technical requirement for proxy equipment supporting multimedia service network address translation/fire wall crossing (NAT/FW) Part 2: SIP proxy
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YD/T 16573-2007
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Technical requirement for proxy equipment supporting multimedia service network address translation/fire wall crossing (NAT/FW) Part 3: MGCP proxy
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YD/T 16574-2007
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Technical requirement for proxy equipment supporting multimedia service network address translation/fire wall crossing (NAT/FW) Part 4: H. 248 proxy
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YD/T L634-2007
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Optical transport network (OTN) physical layer interface
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YDC 049-2007
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(Telecommunications networks and Internet Security Administration Guide)
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YDC 050-2007
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(Telecommunications network and Internet security protection Implementation Guide)
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YDC 051-2007
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(Telecommunications networks and Internet Security Risk Assessment Implementation Guide)
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YDC 052-2007
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(Telecommunications networks and the Internet backup and disaster recovery implementation guide)
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YDC 053-2007
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(Fixed communication network security requirements)
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YDC 054-2007
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(Fixed communication network security testing requirements)
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YDC 055-2007
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(Mobile communication network security requirements)
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YDC 056-2007
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(Mobile communication network security testing requirements)
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YDC 057-2007
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(VAS network - news network security requirements)
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YDC 058-2007
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(VAS network - news network security testing requirements)
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YDC 059-2007
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(IP bearer network security requirements)
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YDC 060-2007
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(IP bearer network security testing requirements)
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YDC 061-2007
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(Supporting network security requirements)
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YDC 062-2007
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(Supporting network security testing requirements)
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YD/T 1231-2002
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Technical specification for call transfer services through fixed network exchange
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YD/T 1140-2001
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Technical requirement for IP-based conference systems
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YD/T 1042-2000
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Technical requirement for Iridium satellite mobile communication system
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YD/T 1081-2000
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SIM card for 900/1800MHZ TDMA digital celluar mobile telecommunication network mobile station
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YDC 001-2000
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LAPS technical requirements for IP over SDH
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YD/T 915-1999
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Frame Relay Analyzer
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YD/T 916-1999
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Technical Specifications for ISDN Regulations Analyzer
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YD/T 917-1999
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Hardware Technology for Automatic Monitoring Station of Optic Cable Line
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YDN 079-1998
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(Channel and SDH multiplex section for restoration (protection and restoration) mechanisms and procedures to maintain the threshold)
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YDN 083.1-1998
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(Broadband Integrated Services Digital Network (B-ISDB) Digital Subscriber Signalling System No. 2 (DSS2) Technical Specifications - The first part of the adaptation layer: service specific connection oriented protocol)
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YDN 083.2-1998
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(Broadband Integrated Services Digital Network (B-ISDB) Digital Subscriber Signalling System No. 2 (DSS2) Technical specifications - Adaptation Layer Part II: Yuan signaling protocol (Meta signaling))
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YDN 083.3-1998
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(Broadband Integrated Services Digital Network (B-ISDB) Digital Subscriber Signalling System No. 2 (DSS2) Technical Specification - Adaptation Layer Part III: Supporting Users - Network interface)
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YDN 084-1998
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(Broadband Integrated Services Digital Network (B-ISDN) NO. 7 signaling system technical specifications - Broadband ISDN User Part (B-ISUP) of the basic call control functions)
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YDN 085-1998
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(B-ISDN NO. 7 -B-ISUP signaling specification and DSS2 signaling complexes)
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YDN 086-1998
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(SDH transport network management technology system)
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YDN 092-1998
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(800MHz CDMA digital cellular mobile communication network air interface technology requirements (Temporary Provisions))
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YDN 096-1998
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(Synchronous Digital Hierarchy (SDH) network topology and basic interconnection and interworking)
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YDN 102-1998
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(Broadband Integrated Services Digital Network (B-ISDN) NO. 7 signaling system technical specifications - Broadband messaging (B-MTP))
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YDN 103-1998
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(ATM switching equipment Test Specification (internal standard))
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YD 249-1997
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(Nail bar on B species)
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YDN 032-1997
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Technology system requirements for ISDN
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YDN 034.1-1997
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ISDN subscribers - specification for network interfaces Part 1: Technical specification for physical layers
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YDN 034-1997
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ISDN User - Specification on Network Interface
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YDN 036-1997
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(China postal financial computer network application layer protocol - Savings section)
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YDN 040-1997
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Test method for N-ISDN (Narrowband-Integrated Services Digital Network) and PSTN interface signaling
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YDN 002-1996
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(SDH digital cross-connect equipment (SDXC) Technical Requirements (Temporary Provisions))
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YDN 004-1996
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(Postal business window electronic system specification (Trial))
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YDN 009-1996
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(Frame Relay network technology system)
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YDN 010-1996
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(Chinese Industry Standard)
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YDN 012-1996
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Technical requirements for flat mail sorting equipment (temporary provisions)
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YDN 013-1996
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(Postal financial computer network management technology requirements (Temporary Provisions))
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YDN 014-1996
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(China postal financial computer network communication protocol TCP/IP (Interim..)
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YDN 015-1996
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(Post debit card - Magnetic Stripe Card Savings)
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YDN 020-1996
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(Interface Specification V5. 1 local digital switches and access network (internal standard))
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YDN 021-1996
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(Interface Specification V5. 2 local digital switches and access network (internal standard))
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YDN 023-1996
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(Communication power supply and air conditioning centralized monitoring system technical requirements (Temporary Provisions) (internal standard))
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YD 734-1994
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Technical specifications for optical cable transmission monitoring system
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YD 576-1992
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Semiconductor rectifier equipments For telecommunications
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YD/T 547-1992
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The specification and test methods for conference telephone tandem board
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YD/T 548-1992
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The specification and test methods for conference telephone SET
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YD 300-1983
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(Precision polystyrene and mica capacitors nonlinear index and test methods)
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YD 301-1983
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Test method for level oscillator
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YD 305-1983
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(Carrier unmanned repeater reliability test method (Interim))
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YD 249-1981
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(Chinese Industry Standard)
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YD/T 1113-2025
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(Halogen fire low smoke and flame-retardant compounds for telecommunication cable and optical fibre cable)
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YD/T 1258.2-2025
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(Indoor optical fibre cables - Part 2: Simplex and duplex cable for use in terminated cable assemblies)
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YD/T 1258.3-2025
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(Indoor optical fibre cables - Part 3: Simplex and duplex cable for use in premises cabling)
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YD/T 1272.7-2025
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(Optical fiber connector - Part 7: Type UC)
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YD/T 1634-2025
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(Optical Transport Network physical layer interfaces)
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YD/T 2164.3-2025
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(Technical requirements for co-location and sharing of the telecommunication infrastructure - Part 3: Transmission lines)
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YD/T 2192-2025
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(Mitigation techniques to limit human exposure to EMFs in the vicinity of radiocommunication stations)
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YD/T 2281-2025
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(Fibre optic socket-outlets case)
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YD/T 2441-2025
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(Technology and requirements of grading and classification for computational power data center)
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YD/T 2759.5-2025
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(Single fiber Bi-Directional (BiDi) optical transceiver module - Part 5: 50Gb/s wavelength self-tuning)
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YD/T 2798.1-2025
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(Measurement method of optical transceiver for optical communications - Part 1: Single wavelength)
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YD/T 3125.2-2025
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(Enhanced SFP transceiver(SFP+) used in communication - Part 2: 25Gbit/s)
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YD/T 3251.1-2025
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(Passive device for signal distributing system of mobile communications - Part 1: General requirements and test methods)
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YD/T 3251.2-2025
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(Passive device for signal distributing system of mobile communications - Part 2: Power splitter)
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YD/T 3251.3-2025
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(Passive device for signal distributing system of mobile communications - Part 3: Coupler)
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YD/T 3251.4-2025
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(Passive device for signal distributing system of mobile communications - Part 4: Hybrid bridge)
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YD/T 3251.5-2025
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(Passive device for signal distributing system of mobile communications - Part 5: Combiner)
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YD/T 3251.6-2025
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(Passive device for signal distributing system of mobile communications - Part 6: Load)
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