The EMA8D1208P108B40B from ECHO Microwave is a Band Pass Filter with Frequency 1.15 to 1.26 GHz, Insertion Loss 1 dB, Rejection 35 to 40 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8D1208P108B40B can be seen below.