The WHJE4-7.5-15-40-100-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 7.5 / 15 MHz to 100 MHz, Insertion Loss 1.2 to 3 dB, Power 1 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHJE4-7.5-15-40-100-1 can be seen below.