The EDA4E3250P300F32 from ECHO Microwave is a Band Pass Filter with Frequency 3.1 to 3.4 GHz, Insertion Loss 3 dB, Rejection 32 dB @ 2902MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E3250P300F32 can be seen below.