The EMA4D1220P10F40B from ECHO Microwave is a Band Pass Filter with Frequency 1.22 to 1.23 GHz, Insertion Loss 3 dB, Rejection 40 dB @ Fc-43 (1177) MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA4D1220P10F40B can be seen below.
