HP Agilent Keysight E5515-20759 LSS Digital Board W/ E5515-60473 Card Module 144439403159 Unit amplifies the signal but

Unit amplifies the signal but the amplification spikes when you first turn to operate and then slowly drops about 9db

Manufacturer Newport Model Number FM-1 SKU 19-66366 Ref 23-94103

Manufacturer FST SKU 19-60538 Ref 23-85496

and 2x LCT-H16-01 Breakout boards as pictured

Manufacturer Polk Audio SKU 19-65821 Ref 23-93188

HP Agilent Keysight E5515-20759 LSS Digital Board W/ E5515-60473 Card Module 144439403159 Unit amplifies the signal butCondition Used Description This Digital Board has been pulled from a functional environment. The unit has wear from previous use including scuffs and scratches. Includes only the Digital Board, and E5515 60473 Card Module. No additional accessories. Quantity listing with reference photo, you may not receive the actual item pictured. Inventory is on hand and ready to ship. Please feel free to message us any questions you may have. Thank you for