The EDA4F2000P400D30 from ECHO Microwave is a Band Pass Filter with Frequency 1.8 to 2.2 GHz, Insertion Loss 2 dB, Rejection 30 to 45 dB, Return Loss 13 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2000P400D30 can be seen below.