The LFCW-6000+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 6000 MHz, Bandwidth 6000 MHz, 3 dB Cutoff Frequency 6800 MHz, Insertion Loss 1.6 to 2.1 dB, Rejection 15 to 43 dB. Tags: Surface Mount, Ceramic Filter. More details for LFCW-6000+ can be seen below.