The LPF630M from Lotus Communication Systems is a Low Pass RF Filter with Frequency DC to 630 MHz, Stopband Frequency 1 to 6 GHz, 3 dB Cutoff Frequency 830 MHz, Insertion Loss 1.2 dB, Rejection 20 to 40 dB. Tags: Module with Connector. More details for LPF630M can be seen below.