The WHK7-150-185-40-2000-20 from Wainwright Instruments is a RF High Pass Filter with Frequency 150 / 185 MHz to 2 GHz, Insertion Loss 0.85 to 1.15 dB, Power 20 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHK7-150-185-40-2000-20 can be seen below.