The EMA8H1390P36F40DL from ECHO Microwave is a Band Pass Filter with Frequency 1.37 to 1.41 GHz, Insertion Loss 3 dB, Rejection 40 dB @ 1354 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8H1390P36F40DL can be seen below.