YD/T 1456.2-2006.The Test Method of 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Equipment Service Switching Point(SSP)( CAMEL3)

YD/T 1456.2-2006.The Test Method of 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Equipment Service Switching Point(SSP)( CAMEL3)

YD/T 1456.2-2006.The Test Method of 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Equipment Service Switching Point(SSP)( CAMEL3)

YD/T 1460.1-2006.Telecommunication microduct optical fibre cables and fibre units for installation by blowing Part 1: General. 1范囿 YD/T 1460.1规定了通信用气吹

YD/T 1460.2-2006.Telecommunication microduct optical fibre cables and fibre units for installation by blowing Part 2:Outer protective ducts. 1范围 YD/T

YD/T 1533.1-2006.Technical Requirements of Multimedia Message Service Based on Fixed Network Part 1:Equipment of Multimedia Message Service Center(MMS

YD/T 1460.5-2006.Telecommunication microduct optical fibre cables and fibre units for installation by blowing Part 5:Enhanced performance fibre units.

YD/T 1460.4-2006.Telecommunication microduct optical fibre cables and fibre units for installation by blowing Part 4:Microduct optical fibre cables. 1

YD/T 1536.1-2006.Requirements and Measurement Methods of Electromagnetic Information Security for Telecommunications Equipment Part 1:Information Leak

YD/T 1533.2-2006.Technical Requirements of Multimedia Message Service Based on Fixed Network Part 2:Multimedia Message Service Interface. 1范围 YD/T 153