The EMA3B1090P10H14B from ECHO Microwave is a Band Pass Filter with Frequency 1.09 to 1.1 GHz, Insertion Loss 4 dB, Rejection 14 to 22 dB, Return Loss 18 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA3B1090P10H14B can be seen below.