The WHKE4-200-225-40-2000-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 200 / 225 MHz to 2 GHz, Insertion Loss 0.6 to 1.3 dB, Power 1 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE4-200-225-40-2000-1 can be seen below.