The EMA8F1415P10D40B from ECHO Microwave is a Band Pass Filter with Frequency 1.41 to 1.42 GHz, Insertion Loss 2 dB, Rejection 40 dB @ 1165 MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8F1415P10D40B can be seen below.