The WHKE5-40-80-80-1000-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 40 / 80 MHz to 1 GHz, Insertion Loss 0.9 to 1.6 dB, Power 1 W, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE5-40-80-80-1000-1 can be seen below.