The PS-90-2040 Opt HS15NS from Quantic PMI (Planar Monolithics) is a Analog Phase Shifter with Frequency 2 to 4 GHz, Phase Shift 180 Degree, Insertion Loss 2.5 to 3 dB, Control Voltage -12 to 5 V, Supply Voltage -12 to 5 V. Tags: Module with Connectors. More details for PS-90-2040 Opt HS15NS can be seen below.