The EMA6E2535P70E30D from ECHO Microwave is a Band Pass Filter with Frequency 2.5 to 2.57 GHz, Insertion Loss 2.5 dB, Rejection 30 to 50 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6E2535P70E30D can be seen below.