The LFCG-490+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 490 MHz, Bandwidth 490 MHz, 3 dB Cutoff Frequency 590 MHz, Insertion Loss 1.5 to 2 dB, Rejection 15 to 50 dB. Tags: Surface Mount, Ceramic Filter. More details for LFCG-490+ can be seen below.