The EMA10L1630P10D30D from ECHO Microwave is a Band Pass Filter with Frequency 1.63 to 1.64 GHz, Insertion Loss 2 dB, Rejection 40 to 70 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA10L1630P10D30D can be seen below.