Used Wavetek 7580.1 step attenuator with the following specifications:

Manufacturer: Wavetek
Model Number: 7580.1
Category: Test Equipment
Type: Step Attenuator
Features:
3-Dial unit
DC to 1GHz
0-81dB in 0.1dB steps
75 ohm

Notes: S/N: 9335005

Please look at the photos the unit is scuffed, but in working condition.