The TLLF-DC-900M-L from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 900 MHz, Stopband Frequency 1000 MHz, Insertion Loss 1.2 to 3 dB, Rejection 20 dB @1000 MHz, Power 2 W. Tags: Module with Connector. More details for TLLF-DC-900M-L can be seen below.