The APS-08000900-180-1F-1FS from Narda-MITEQ is a Analog Phase Shifter with Frequency 8 to 9 GHz, Phase Shift 180 Degree, Phase Error ±7 Degree, Insertion Loss 5 dB, Control Voltage -18 to 0 VDC. Tags: Module with Connectors. More details for APS-08000900-180-1F-1FS can be seen below.