The EDA5D2491P16D20 from ECHO Microwave is a Band Pass Filter with Frequency 2.48 to 2.5 GHz, Insertion Loss 2 dB, Rejection 20 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA5D2491P16D20 can be seen below.