The LFCG-92 from Mini Circuits is a Low Pass RF Filter with Frequency DC to 990 MHz, Stopband Frequency 1700 to 5000 MHz, 3 dB Cutoff Frequency 1400 MHz, Insertion Loss 0.4 to 0.8 dB, Rejection 30 to 50 dB. Tags: Surface Mount, Ceramic Filter. More details for LFCG-92 can be seen below.