| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 941-1997 |
ISDN user-network interface supplementay service comformance testing specification |
2175 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 521-1992 |
|
345 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1878.2-2009 |
800MHz/2GHz cdma2000 Digital Cell Mobile Communications Network (HRPD)Network Management Technical Specification Part 2:Performance Network Resource Model |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1550.4-2007 |
Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 4:NBAP |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDN 026-1997 |
Technical Requirements for SDH Transmission Network - Input Business and Maintainability Limit Value of SDH Digital Channel and Reuse Section |
360 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 1571-2007 |
2GHz cdma2000 Digital Cellular Mobile Communication Network Test Method:Mobile Application Part (MAP) |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1545.1-2007 |
Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Layer 2 (Phase Ⅰ) Part :MAC |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1550.6-2007 |
Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 6:User Plane Protocols for Common Transport Channel Data Stream |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1878.1-2009 |
800MHz/2GHz cdma2000 Digital Cell Mobile Communications Network (HRPD) Network Management Technical Specification Part 1:Configuration Network Resource Model |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1413-2007 |
Testing Methods for GPRS Tunnelling Protocol of TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network (Phase Ⅰ) |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1062-2000 |
Switch ISDN user interface on line monitor function |
180 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1580-2007 |
Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Networks:Physical Layer of Air Interface |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 674-1994 |
|
150 (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 |
195 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 858-1996 |
|
180 (USD) |
via email in
1-3 business day
|
|
|
| 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 |
|
630 (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
|
|
|
