The EMA4C2140P60F25B from ECHO Microwave is a Band Pass Filter with Frequency 2.11 to 2.17 GHz, Insertion Loss 3 dB, Rejection 25 to 35 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA4C2140P60F25B can be seen below.