The ZXHF-K53H+ from Mini Circuits is a RF High Pass Filter with Frequency 5000 to 11000 MHz, Insertion Loss 1.5 to 3.1 dB, Power 1.26 W, Rejection 33 to 50 dB, Lower Rejection 33 to 50 dB @DC to 3100 MHz. Tags: Module with Connectors, Reflectionless Filter. More details for ZXHF-K53H+ can be seen below.