The EDA4C2520P65D32 from ECHO Microwave is a Band Pass Filter with Frequency 2.49 to 2.55 GHz, Insertion Loss 2 dB, Rejection 32 to 40 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4C2520P65D32 can be seen below.