This LOT is one piece of New (unused, but without original package) Aeroflex INMET 5dB Fixed Attenuator DC-2.5GHz 2W 50 Ohm with SMA Connectors. Part Number: 2AH-5. 

Data sheet for A/AH Series Fixed Attenuator:

http://inmet.apitech.com/inmet/pdfiles/18A-ATT.PDF