The EMA6H1780P107C45D from ECHO Microwave is a Band Pass Filter with Frequency 1.73 to 1.83 GHz, Insertion Loss 1.5 dB, Rejection 45 dB @ 1652.9 MHz, Return Loss 13 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6H1780P107C45D can be seen below.