Description Description Custom CTTS-4313/RHM Generic Portable Collimation Tower Test Set For parts. Contains two potted power supplies an oscillator (5.6 GHz), two PIN diode switches by HP and a variable attenuator by ARRA. The oscillator works when +30V/0.2A is applied to it. Condition: UsedThis item has been inspected and it is in good condition. View AllClose