The LPF80M from Lotus Communication Systems is a Low Pass RF Filter with Frequency DC to 80 MHz, Stopband Frequency 200 MHz to 4.5 GHz, 3 dB Cutoff Frequency 145 MHz, Insertion Loss 1 dB, Rejection 20 to 40 dB. Tags: Module with Connector. More details for LPF80M can be seen below.