The PMP-3R-series from Crane Aerospace & Electronics is a Analog Phase Shifter with Frequency 10 to 500 MHz, Phase Shift 180 Degree, Insertion Loss 2 dB, Control Voltage 0 to 15 V, Operating Temperature -55 to 85 Degree C. Tags: Drop-in. More details for PMP-3R-series can be seen below.