The EMA8J2462P22F40D from ECHO Microwave is a Band Pass Filter with Frequency 2.45 to 2.47 GHz, Insertion Loss 3 dB, Rejection 40 dB @ 2412 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8J2462P22F40D can be seen below.