The PK-723S from Synergy Microwave Corporation is a Analog Phase Shifter with Frequency 100 to 200 MHz, Phase Shift 180 Degree, Insertion Loss 1.5 to 2 dB, Control Voltage 0 to 30 V, Power -10 dBm. Tags: Module with Connectors. More details for PK-723S can be seen below.