Professional Standard - Post and Telecommunication
Status
2009-12
Latest
YD/T 664-1994
Scope
This standard specifies the quality levels and requirements for digital microwave transceivers in the 2GHz frequency band. This standard is applicable to the quality classification of digital microwave transceivers in the 2GHz frequency band and is the basis for assessing the quality level of such products. This standard does not apply to product sorting.
YD/T 664-1994 history
1994YD/T 664-1994 Quality grading criteria of 2GHz digital microwave transceiver