The EDA6E1840P80E20 from ECHO Microwave is a Band Pass Filter with Frequency 1.8 to 1.88 GHz, Insertion Loss 3 dB, Rejection 20 to 45 dB, Return Loss 16 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA6E1840P80E20 can be seen below.