The WHKE3-115-150-40-1300-1 from Wainwright Instruments is a RF High Pass Filter with Frequency 115 / 150 MHz to 1.3 GHz, Insertion Loss 0.5 to 0.7 dB, Power 1 W, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for WHKE3-115-150-40-1300-1 can be seen below.