The EDA4E3350P440F30 from ECHO Microwave is a Band Pass Filter with Frequency 3.13 to 3.57 GHz, Insertion Loss 3 dB, Rejection 30 dB @ 2826MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E3350P440F30 can be seen below.