The EMA6H2535P70T40D from ECHO Microwave is a Band Pass Filter with Frequency 2.5 to 2.57 GHz, Insertion Loss 10 dB, Rejection 40 dB @ 800 to 2485 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6H2535P70T40D can be seen below.