The WHKE3-0.15-1-40-100-0.01 from Wainwright Instruments is a RF High Pass Filter with Frequency 0.15 / 1 MHz to 100 MHz, Insertion Loss 0.5 to 0.7 dB, Power 0.01 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE3-0.15-1-40-100-0.01 can be seen below.