The TLLF-DC-1G-L4 from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to1.0 GHz, Insertion Loss 0.5 to 0.8 dB, Rejection 40 dB, Upper Rejection >[email protected] to 8Ghz, Power 2 W. Tags: Module with Connector. More details for TLLF-DC-1G-L4 can be seen below.