The PEF-03A SERIES from Crane Aerospace & Electronics is a Analog Phase Shifter with Frequency 500 MHz to 1.5 GHz, Phase Shift 180 Degrees, Insertion Loss 2 to 3 dB, Phase Adjustment 0 to 180 Degrees, Control Voltage 0 to 30 V. Tags: Surface Mount. More details for PEF-03A SERIES can be seen below.