The ZXHF-K23+ from Mini Circuits is a RF High Pass Filter with Frequency 2010 to 10100 MHz, Insertion Loss 1.5 to 2.8 dB, Power 2 W, Rejection 11 to 14 dB, Lower Rejection 11 to 14 dB @DC to 1210 MHz. Tags: Module with Connectors, Reflectionless Filter. More details for ZXHF-K23+ can be seen below.