The PS210220B from Synergy Microwave Corporation is a Analog Phase Shifter with Frequency 2.1 to 2.2 GHz, Phase Shift 360 Degree, Insertion Loss 3.4 to 3.75 dB, Control Voltage 0 to 12 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for PS210220B can be seen below.