S/N: MY45330105
The Agilent N8975AZ K88 Block Downconverter Option was R&D surplus, we ordered it from a RF amplifier manufacturer
Spec: 75-88.5GHz 
Status: It was removed from a working system bench. Tested, good working condition
The item is sold for this Agilent N8975AZ K88 only, but it is excluded all other equipment and accessories referring to attached pictures (w/o power cord, noise source...)
Return is accepted ONLY due to DOA while arrival
There is no return if protection seals are removed/broken/opened
Import Tax and custom clearance are responded by buyer
I hope the item is able to comply with your test engineering and applications
We do warm up and quality control testing before shipment
Tks for a good feedback comment if you satisfied with the item and our service
Your questions are much welcomed

Option:
More items are able to find from our ebay store
https://www.ebay.com/str/greatvasttechnology