The EMA10E2535P70C30D from ECHO Microwave is a Band Pass Filter with Frequency 2.5 to 2.57 GHz, Insertion Loss 1.5 dB, Rejection 30.0 dB @ 2620 to 2690MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA10E2535P70C30D can be seen below.