The EMA6F1512P50D60B from ECHO Microwave is a Band Pass Filter with Frequency 1.49 to 1.54 GHz, Insertion Loss 1.7 dB, Rejection 60 dB @ 1286 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6F1512P50D60B can be seen below.