The WHJ8-65-70-40-800-50 from Wainwright Instruments is a RF High Pass Filter with Frequency 65 / 70 MHz to 800 MHz, Insertion Loss 0.8 to 1.55 dB, Power 50 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHJ8-65-70-40-800-50 can be seen below.