The TLLF-DC-500M-L2 from Talent Microwave Inc is a Low Pass RF Filter with Frequency DC to 500 MHz, Insertion Loss 1.2 dB, Rejection 45 dB, Upper Rejection >45dB@1000MHz, Power 2 W. Tags: Module with Connector. More details for TLLF-DC-500M-L2 can be seen below.