The ST-16-411 from Pulsar Microwave is a Analog Phase Shifter with Frequency 1.805 to 1.880 GHz, Phase Shift 180 Degree, Insertion Loss 2.8 dB, Control Voltage 0 to 30 V, Power 5 dBm. Tags: Module with Connectors. More details for ST-16-411 can be seen below.