The HFCW-8400+ from Mini Circuits is a RF High Pass Filter with Frequency 9200 to 18000 MHz, Insertion Loss 0.9 to 1.8 dB, Power 2.5 W, Rejection 23 to 37 dB, Lower Rejection 23 to 37 dB @DC to 6500 MHz. Tags: Surface Mount, Ceramic Filter. More details for HFCW-8400+ can be seen below.