The LPF225M from Lotus Communication Systems is a Low Pass RF Filter with Frequency DC to 225 MHz, Stopband Frequency 460 MHz to 5.5 GHz, 3 dB Cutoff Frequency 350 MHz, Insertion Loss 1.2 dB, Rejection 20 to 40 dB. Tags: Module with Connector. More details for LPF225M can be seen below.