The ZXHF-K392+ from Mini Circuits is a RF High Pass Filter with Frequency 3940 to 11500 MHz, Insertion Loss 1.8 to 2.5 dB, Power 2 W, Rejection 11 to 14 dB, Lower Rejection 11 to 14 dB @DC to 2450 MHz. Tags: Module with Connectors, Reflectionless Filter. More details for ZXHF-K392+ can be seen below.