The WHKE4-5-7.5-50-200-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 5 / 7.5 MHz to 200 MHz, Insertion Loss 0.8 to 1.6 dB, Power 1 W, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE4-5-7.5-50-200-1 can be seen below.