The HFCW-133+ from Mini Circuits is a RF High Pass Filter with Frequency 14200 to 20500 MHz, Insertion Loss 1.1 to 2.5 dB, Power 2.5 W, Rejection 24 to 38 dB, Lower Rejection 24 to 38 dB @DC to 10200 MHz. Tags: Surface Mount, Ceramic Filter. More details for HFCW-133+ can be seen below.