The TLLF-DC-350M-L from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 350 MHz, Insertion Loss 1.5 dB, Rejection 55 dB, Upper Rejection >55dB@450 to 800MHz, Power 2 W. Tags: Module with Connector. More details for TLLF-DC-350M-L can be seen below.