The SPS-1900 from Synergy Microwave Corporation is a Analog Phase Shifter with Frequency 1.8 to 2.2 GHz, Phase Shift 135 Degree, Insertion Loss 1.5 to 2 dB, Control Voltage 0 to 20 V, Power -10 dBm. Tags: Surface Mount. More details for SPS-1900 can be seen below.