The PS-352 from Synergy Microwave Corporation is a Analog Phase Shifter with Frequency 347 to 357 MHz, Phase Shift 180 Degree, Insertion Loss 1.2 to 1.8 dB, Control Voltage 0 to 12 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for PS-352 can be seen below.