This LOT is one piece of New M/A COM 20dB Fixed Attenuator DC-26.5GHz 2W 50 Ohm with SMA Connectors. Part Number: 2782-6051-20. 

Data sheet for M/A COM 2782 Series:

http://www.datasheetarchive.com/dlmain/67274e841f397b7bf566b55bcad188500872d2/M/2782-6051-20