The EMA8J1180P120D60D from ECHO Microwave is a Band Pass Filter with Frequency 1.12 to 1.24 GHz, Insertion Loss 2 dB, Rejection 60 dB @ 1040MHz, Return Loss 13 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1180P120D60D can be seen below.