The WHKE4-7.5-15-50-200-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 7.5 / 15 MHz to 200 MHz, Insertion Loss 1 to 2.3 dB, Power 1 W, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE4-7.5-15-50-200-1 can be seen below.