The ST-02-411 from Pulsar Microwave is a Analog Phase Shifter with Frequency 20.3 to 22.4 MHz, Phase Shift 180 Degree, Insertion Loss 1.3 dB, Control Voltage 0 to 30 V, Power 5 dBm. Tags: Module with Connectors. More details for ST-02-411 can be seen below.