The WHKE3-80-100-40-1200-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 80 / 100 MHz to 1.2 GHz, Insertion Loss 0.6 to 0.8 dB, Power 1 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE3-80-100-40-1200-1 can be seen below.