The EMA4H2375P30F65B from ECHO Microwave is a Band Pass Filter with Frequency 2.36 to 2.39 GHz, Insertion Loss 3 dB, Rejection 65 dB @ 1960 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA4H2375P30F65B can be seen below.