The VLFG-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 17 to 56 dB. Tags: Module with Connector. More details for VLFG-490+ can be seen below.