HP Agilent 33321-60001 Programmable Attenuator ,5VDC for 8516A E8363BThe Agilent 33321 60001 Programmable Attenuator was disassembled from a working 8516A Power Supply: 5 VDC Status: Tested, good working condition 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 Your questions are much welcomed I hope the item is able to comply with your test engineering and applications We ensure a good qualification