The P250X-180 from Narda-ATM is a Mechanical Phase Shifter with Frequency 7.9 to 8.4 GHz, Phase Shift 0 to 180 Degree, Phase Adjustment 180 Degree/GHz, Power W 100 W, Power 50 dBm. Tags: Module with Connector. More details for P250X-180 can be seen below.