The WHJ5-500-700-60-3000-50 from Wainwright Instruments is a RF High Pass Filter with Frequency 500 / 700 MHz to 3 GHz, Insertion Loss 0.5 to 0.55 dB, Power 50 W, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHJ5-500-700-60-3000-50 can be seen below.