| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 674-1994 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 1703-2007 |
Carrier-class IP Qos Architecture |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1794-2008 |
Network Management Technical Requirement for 2GHz Digital Cellular Communications Network Performance Criteria of Element Management System (EMS)Itf-N |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 858-1996 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| GB/T 15838-1995 |
Measuring methods for the performances of switching equipment clocks in digital synchronous network |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 1550.2-2007 |
Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 1:Layer 1 |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 729-1994 |
|
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| YD/T 3286-2017 |
Test methods for broadband universal service dedicated fixed customer promise equipment |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 552-1992 |
Measuring method for the channel attenuation distortion in the communication network |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 672-1994 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 1570-2007 |
Technical Specification of 2GHz cdma2000 Digital Cellular Mobile Communication Network Mobile Application Part |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 14133-1993 |
The transmission performance objectives for mixed analogue-digital public telephone automatic switching network |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 14760-1993 |
The measurement methods of transmission performances on optical fiber cable communication systems |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 5444-1985 |
The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1266-2003 |
Test methods of protection schemes for SDH rings |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 1550.8-2007 |
Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 8:User Plane Protocol for DCH Data Streams |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1546-2007 |
2GHz WCDA Digital Cellular Mobile Communication Network—Uu Interface Technical Specification of RRC |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDC 002-2001 |
Technical requiremnts and testing methods for CPN providing public telecommunication services |
 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 1233-2002 |
900/1800MHz TDMA digital cellular mobile communication network test methods for Mobile Application Part (MAP) phase2+ |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| YD/T 1811-2008 |
Technical Requirements and Testing Method of Retiming Equipment Based on 2048kbit/s |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
