The EDA4C1610P1J20 from ECHO Microwave is a Band Pass Filter with Frequency 1.60 to 1.61 GHz, Insertion Loss 5 dB, Rejection 20 to 40 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4C1610P1J20 can be seen below.