The EDA3F2550P300C42 from ECHO Microwave is a Band Pass Filter with Frequency 2.4 to 2.7 GHz, Insertion Loss 1.4 dB, Rejection 25 to 42 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3F2550P300C42 can be seen below.