The WHKX10-3500-6500-60-18000-5 from Wainwright Instruments is a RF High Pass Filter with Frequency 3.5 / 6.5 GHz to 18 GHz, Insertion Loss 1.4 to 2 dB, Power 5 W, Rejection 60 dB, VSWR 1.67:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKX10-3500-6500-60-18000-5 can be seen below.