The AT-APS-0313-180 from AT Microwave is a Analog Phase Shifter with Frequency 3 to 13 GHz, Phase Shift 180 Degree, Insertion Loss 2.5 dB, Control Voltage 0 to 13 V, Current 1 uA. Tags: Module with Connectors. More details for AT-APS-0313-180 can be seen below.