The EMA10L1640P60D70D from ECHO Microwave is a Band Pass Filter with Frequency 1.61 to 1.67 GHz, Insertion Loss 2 dB, Rejection 70 dB @ 1490MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA10L1640P60D70D can be seen below.