The EDA4E2500P400C40 from ECHO Microwave is a Band Pass Filter with Frequency 2.3 to 2.7 GHz, Insertion Loss 1.5 dB, Rejection 40 dB @ 2000MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E2500P400C40 can be seen below.