The EMA8J2080P40I5D from ECHO Microwave is a Band Pass Filter with Frequency 2.06 to 2.1 GHz, Insertion Loss 4.5 dB, Rejection 5 to 60 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2080P40I5D can be seen below.