The EMA10L1430P100D40D from ECHO Microwave is a Band Pass Filter with Frequency 1.38 to 1.48 GHz, Insertion Loss 2 dB, Rejection 40 dB @ 1350MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA10L1430P100D40D can be seen below.