The TLLF-DC-1G-L5 from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 1 GHz, Bandwidth 1000 MHz, Stopband Frequency DC to 4000 MHz, Insertion Loss 0.8 dB, Rejection 40 dB @DC to 4000 MHz. Tags: Module with Connector. More details for TLLF-DC-1G-L5 can be seen below.