The HFCW-6600+ from Mini Circuits is a RF High Pass Filter with Frequency 7200 to 20000 MHz, Insertion Loss 1 to 2 dB, Power 2.5 W, Rejection 25 to 44 dB, Lower Rejection 25 to 44 dB @DC to 5200 MHz. Tags: Surface Mount, Ceramic Filter. More details for HFCW-6600+ can be seen below.