The WHJ10-45-50-40-650-50 from Wainwright Instruments is a RF High Pass Filter with Frequency 45 / 50 MHz to 650 MHz, Insertion Loss 1.45 to 3.25 dB, Power 50 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHJ10-45-50-40-650-50 can be seen below.