The PB0408 from Clear Microwave, Inc is a Analog Phase Shifter with Frequency 4 to 8 GHz, Phase Shift 0 to 180 Degree, Insertion Loss 5.3 to 5.6 dB, Control Voltage 0 to 4 V, Power dBm 26.99 dBm. Tags: Module with Connectors. More details for PB0408 can be seen below.