HP Agilent 5086-7748 , 5086-7908 Low Band Microwave Mixer for 856x seriesThe HP Agilent 5086 7748 , 5086 7908 Low Band Microwave Mixer Assembly are disassembled from good working 856xE Spectrum Analyzer series Status: Tested, fully working Return is accepted ONLY due to DOA while arrival It is sold AS IS, 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