| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 14239-1993 |
Specifications for basic frequenceis of carrier supply systems |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1993-1-1 |
|
| GB/T 14240-1993 |
Specification of SHF 12-channel carrier systems and equipments for open-wire pair |
$130.00 |
via email in 1~3 business day |
abolished2005-10-14,,1993-1-1 |
|
| GB/T 21194-2007 |
Generic reliability assurance requirements for optoelectronic devices used in telecommunications equipment |
$220.00 |
via email in 1~3 business day |
valid,,2008-5-1 |
|
| GB/T 21548-2008 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems |
$370.00 |
via email in 1~5 business day |
superseded,2021-8-1,2008-11-1 |
|
| GB/T 21548-2021 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems |
$225.00 |
via email in 1~3 business day |
valid,,2021-8-1 |
|
| GB/T 33768-2017 |
Rfeliability test method for optoelectronic devices used in telecommunications |
$550.00 |
via email in 1~5 business day |
valid,,2017-12-1 |
|
| GB/T 4770.1-1984 |
The test methods for 3-channel open wire carrier telephone equipment |
$904.00 |
via email in 1~5 business day |
valid,,1985-10-1 |
|
| GB/T 4770.2-1984 |
The test methods for 12-channel open wire carrier telephone equipment |
$1064.00 |
via email in 1~5 business day |
valid,,1985-10-1 |
|
| GB/T 4770.3-1984 |
The test methods for 60-channel symmetrical cable carrier telephone equipment |
$1344.00 |
via email in 1~5 business day |
valid,,1985-10-1 |
|
| GB/T 5445-1985 |
Specification for HF 12-channel transistorized carrier telephone equipment on an open-wire pair |
$410.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB/T 5446-1985 |
Specification for 12-channel transistorized carrier telephone equipment on an open-wire pair |
$260.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB/T 6555-1986 |
Requirements for 3-channel carrier telephone equipment on an open-wire pair |
$180.00 |
via email in 1~3 business day |
valid,,1987-7-1 |
|
| GB/T 7255-1998 |
Single sideband power-line carrier terminals |
$330.00 |
via email in 1~3 business day |
valid,,1998-1-2 |
|
| GB/T 7329-1998 |
Coupling devices for power line carrier systems |
$160.00 |
via email in 1~3 business day |
abolished2008-10-01,2008-10-1,1998-1-2 |
|
| GB/T 7329-2008 |
Coupling devices for power line carrier systems |
$180.00 |
via email in 1~3 business day |
valid,,2008-10-1 |
|
| GB/T 7330-2008 |
Line traps for a.c. power systems |
$450.00 |
via email in 1~3 business day |
valid,,2008-10-1 |
|
| YD 331-1987 |
General Technical Requirement for Supporting Carrier Communication Equipment for Standard Coaxial Integrated Communication Cables |
$264.00 |
via email in 1~3 business day |
valid,,1987-7-1 |
|
| YD/T 1466-2006 |
Technical Requirements of IP Security (IPSec) |
$420.00 |
via email in 1~3 business day |
valid,,2006-10-1 |
|
| YD/T 1467-2006 |
Testing Methods of IP Security (IPSec) |
$570.00 |
via email in 1~3 business day |
valid,,2006-10-1 |
|
| YD/T 1468-2006 |
Technical Requirements of IPSec Traverse NAT |
$330.00 |
via email in 1~3 business day |
valid,,2006-10-1 |
|
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