The WHJE5-10-20-80-400-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 10 / 20 MHz to 400 MHz, Insertion Loss 1.4 to 2.5 dB, Power 1 W, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHJE5-10-20-80-400-1 can be seen below.