The EMA8J2448P30H60D from ECHO Microwave is a Band Pass Filter with Frequency 2.43 to 2.46 GHz, Insertion Loss 4 dB, Rejection 60 dB @ 2400MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2448P30H60D can be seen below.