The WHKE2-5-15-30-350-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 5 / 15 MHz to 350 MHz, Insertion Loss 0.4 to 0.6 dB, Power 1 W, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE2-5-15-30-350-1 can be seen below.