The TLLF-DC-400M-L from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 400 MHz, Stopband Frequency 500 MHz, Insertion Loss 1.5 dB, Rejection 40 dB @500 MHz, Power 2 W. Tags: Module with Connector. More details for TLLF-DC-400M-L can be seen below.