The EMA6F2412P10G25D from ECHO Microwave is a Band Pass Filter with Frequency 2.41 to 2.42 GHz, Insertion Loss 3.5 dB, Rejection 25 dB @ 2437MHz, Return Loss 10 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6F2412P10G25D can be seen below.