The EMA8J1260P35F70D from ECHO Microwave is a Band Pass Filter with Frequency 1.24 to 1.28 GHz, Insertion Loss 3 dB, Rejection 70 dB @ 1200 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J1260P35F70D can be seen below.