The WHKE3-10-15-60-300-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 10 / 15 MHz to 300 MHz, Insertion Loss 0.8 to 1.3 dB, Power 1 W, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE3-10-15-60-300-1 can be seen below.