Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
YD/T 939-2014 |
Power distribution cabinet for transmission equipment |
$210.00 |
via email in 1~3 business day |
valid,,2014-10-14 |
|
YD/T 940-1999 |
Semiconductor arrester for The over-voltage protection of telecommunications installations |
$160.00 |
via email in 1~3 business day |
valid,,2000-3-1 |
|
YD/T 941-1997 |
ISDN user-network interface supplementay service comformance testing specification |
$2175.00 |
via email in 1~5 business day |
valid,,1998-5-1 |
|
YD/T 942-1997 |
Technical specifications and test methods of paging receivers for high speed radio paging system |
$300.00 |
via email in 1~5 business day |
abolished2009-12-01 ,,1998-1-12 |
|
YD/T 943-1998 |
The Technical requirements and test methods of R.F. coaxial connectors with inner diameter of outer conductor 5.6mm 3.8mm 2.8mm |
$570.00 |
via email in 1~3 business day |
superseded,2009-9-1,1998-5-1 |
|
YD/T 943.1-2009 |
Radio-frequency coaxial connector Part 1: Type T5.6(L9) |
$210.00 |
via email in 1~3 business day |
valid,,2010-1-1 |
|
YD/T 943.2-2009 |
Radio-frequency coaxial connector Part 2: Type T3.8(C4) |
$160.00 |
via email in 1~3 business day |
valid,,2010-1-1 |
|
YD/T 943.3-2009 |
Radio-frequency coaxial connector Part 3: Type T2.8(C3) |
$160.00 |
via email in 1~3 business day |
valid,,2010-1-1 |
|
YD/T 943.4-2009 |
Radio-frequency coaxial connector Part 4: Type T5.1(C5) |
$190.00 |
via email in 1~3 business day |
valid,,2010-1-1 |
|
YD/T 944-1998 |
Technical Specification and Testing Methods for Surge Protection of Power Supply for Communications |
$264.00 |
via email in 1~3 business day |
superseded,2007-12-1,1998-5-1 |
|
YD/T 944-2007 |
Technical Specification and Testing Methods for Surge Protection of Power Supply for Communications |
$60.00 |
immediately |
valid,,2007-12-1 |
|
YD/T 945-1998 |
Modem operating at data signalling rates of up to 33600bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits |
$900.00 |
via email in 1~5 business day |
valid,,1998-5-1 |
|
YD/T 946-1998 |
TMN interface specification methodology |
$300.00 |
via email in 1~3 business day |
valid,,1998-5-1 |
|
YD/T 947-1998 |
Upper layer protocol profiles for the Q3 and X interface |
$220.00 |
via email in 1~3 business day |
valid,,1998-5-1 |
|
YD/T 948-1998 |
Generic application temple for multimedia conferencing service |
$490.00 |
via email in 1~3 business day |
valid,,1998-5-1 |
|
YD/T 949-1998 |
Multipoint binary file transfer protocol |
$760.00 |
via email in 1~3 business day |
valid,,1999-1-1 |
|
YD/T 950-1998 |
Tchnical rquirements and test methods for protection agaist ovoltages and .overcurrents on telecommunication switching equipment |
$530.00 |
via email in 1~3 business day |
superseded,2008-7-1,1998-9-1 |
|
YD/T 950-2008 |
Technical requirements and test methods for protection against overvoltage and overcurrents on telecommunication switching equipment |
$435.00 |
via email in 1~3 business day |
valid,,2008-7-1 |
|
YD/T 951-1998 |
Characteristics and protocols for terminals for telematic services in ISDN |
$880.00 |
via email in 1~3 business day |
valid,,1998-9-1 |
|
YD/T 952-1998 |
Technical requirements and measurement methods for 900MHz RF repeater |
$190.00 |
via email in 1~3 business day |
superseded,2005-5-1,1998-3-23 |
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