The EMA4D1575P40D5B from ECHO Microwave is a Band Pass Filter with Frequency 1.56 to 1.6 GHz, Insertion Loss 2 dB, Rejection 5 to 68 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA4D1575P40D5B can be seen below.