The VLFG-900+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 850 MHz, Bandwidth 850 MHz, 3 dB Cutoff Frequency 1000 MHz, Insertion Loss 1.3 to 2.2 dB, Rejection 20 to 49 dB. Tags: Module with Connector. More details for VLFG-900+ can be seen below.