The WHK12-1500-3000-60-10000-20 from Wainwright Instruments is a RF High Pass Filter with Frequency 1.5 / 3 GHz to 10 GHz, Insertion Loss 1.5 to 2.1 dB, Power 20 W, Rejection 60 dB, VSWR 1.67:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHK12-1500-3000-60-10000-20 can be seen below.