The RVPT0408GAC from RF-Lambda is a Analog Phase Shifter with Frequency 4 to 8 GHz, Phase Shift 180 Degrees, Phase Error ±8 to 15 Degrees, Insertion Loss 5.5 to 6 dB, Control Voltage 0 to 10 V. Tags: Module with Connectors. More details for RVPT0408GAC can be seen below.