The WHK10-70-75-40-1500-20 from Wainwright Instruments is a RF High Pass Filter with Frequency 70 / 75 MHz to 1.5 GHz, Insertion Loss 1.4 to 3.45 dB, Power 20 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHK10-70-75-40-1500-20 can be seen below.