The HFCW-9500 from Mini Circuits is a RF High Pass Filter with Frequency 10.5 to 20 GHz, Insertion Loss 0.9 to 1.9 dB, Power 2.5 W, Rejection 23 to 36 dB, Return Loss 8 to 14 dB. Tags: Surface Mount, Ceramic Filter. More details for HFCW-9500 can be seen below.