The EDA4E1653P20F45 from ECHO Microwave is a Band Pass Filter with Frequency 1.64 to 1.66 GHz, Insertion Loss 3 dB, Rejection 45 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E1653P20F45 can be seen below.