The EMA8H2535P70J40DL from ECHO Microwave is a Band Pass Filter with Frequency 2.5 to 2.57 GHz, Insertion Loss 5 dB, Rejection 40 dB @ 10 to 2470 MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8H2535P70J40DL can be seen below.