The EMA6E2380P40C50B from ECHO Microwave is a Band Pass Filter with Frequency 2.36 to 2.4 GHz, Insertion Loss 1.5 dB, Rejection 3 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA6E2380P40C50B can be seen below.