The LLPF-1000/3000-2S from Leader-MW is a Low Pass RF Filter with Frequency DC to 1 GHz, Insertion Loss 1 dB, Rejection 45 dB, Upper Rejection 45 dB, Power 1 W. Tags: Module with Connector, Microstrip. More details for LLPF-1000/3000-2S can be seen below.