The EMA8J2395P30H55D from ECHO Microwave is a Band Pass Filter with Frequency 2.38 to 2.41 GHz, Insertion Loss 3.8 dB, Rejection 55 dB @ 2350 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2395P30H55D can be seen below.