| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 569-1992 |
Technical Requirements and Test Methods for Ringing Power Sources Alarm and Distribution Frame in Manual Toll Telephone Switching Equipments |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 3242-2017 |
Technical specification for interface between biohazard protection and early warning information distributing network |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD 291-1982 |
|
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| SJ 20923-2005 |
Method of objective speech quality assessment based on a perceptual measure for military communication equipments |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 3299-2017 |
Technical requirements for secure user plane location service (Phase II)—Platform |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 19558-2004 |
General specifications for integrated circuit(IC) card payphone and sytem |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 560-1992 |
The Wire Configurations on Poles of Open-wire for Toll Telecommunications |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| CNCA 07C-20031-2001 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 14733.2-2008 |
Terminology for telecommunication - Transmission lines and waveguides |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 2065-2009 |
Information Accessibility Design Guidelines to Information Terminal Equipment for Persons with Physical Disabilities |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB 7439-1987 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 1540-2006 |
Testing Methods for Overvolatages and Overcurrents Resistibility of Telecommunication Equipments |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD 282-1982 |
|
 (USD) |
via email in
1 business day
|
SUPERSEDED
|
|
| YD/T 1389-2005 |
Texting methods of media server based on softswitch |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YDN 127-2005 |
Safety criteria for telecommunication equipment |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1556-2007 |
Technical Specification of Base Station Subsystem(BSS)for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 1022-1999 |
Requirement of synchronous digital hierarchy (SDH)equipment function |
 (USD) |
via email in
1-10 business day
|
ABOLISHED
|
|
| YD/T 1924-2009 |
The Requirements for SIP-Based IP User Terminal Device |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDC 003-2001 |
General Technical Requirements for Softwsitch |
 (USD) |
via email in
1-10 business day
|
ABOLISHED
|
|
| GB/T 28519-2012 |
General principles of energy consumption test methods for telecommunication equipment |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
