The TLLF-DC-500M-L3 from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 500 MHz, Stopband Frequency 600 MHz, Insertion Loss 1.2 dB, Rejection 50 dB @600 MHz, Power 2 W. Tags: Module with Connector. More details for TLLF-DC-500M-L3 can be seen below.