The LFCW-1292+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 12900 MHz, Stopband Frequency 17 to 26.5 GHz, 3 dB Cutoff Frequency 13900 MHz, Insertion Loss 1.3 to 2.2 dB, Rejection 20 to 45 dB. Tags: Surface Mount, Ceramic Filter. More details for LFCW-1292+ can be seen below.