The WHJE4-0.075-0.15-40-50-0.01 from Wainwright Instruments is a RF High Pass Filter with Frequency 0.075 / 0.15 MHz to 50 MHz, Insertion Loss 0.7 to 1.5 dB, Power 0.01 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHJE4-0.075-0.15-40-50-0.01 can be seen below.