The WHK10-700-1000-40-7000-20 from Wainwright Instruments is a RF High Pass Filter with Frequency 700 MHz / 1 GHz to 7 GHz, Insertion Loss 1 to 1.6 dB, Power 20 W, Rejection 40 dB, VSWR 1.67:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHK10-700-1000-40-7000-20 can be seen below.