The EMA8H2593P194F30D from ECHO Microwave is a Band Pass Filter with Frequency 2.5 to 2.69 GHz, Insertion Loss 3 dB, Rejection 30 to 50 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8H2593P194F30D can be seen below.