The WHW2-15500-16000-40-28000-30 from Wainwright Instruments is a RF High Pass Filter with Frequency 15.5 / 16 GHz to 28 GHz, Insertion Loss 0.5 to 0.75 dB, Power 30 W, Rejection 40 dB, VSWR 1.67:1. Tags: Module with Connectors. More details for WHW2-15500-16000-40-28000-30 can be seen below.