The EDEA4F1666P10H60A from ECHO Microwave is a Band Pass Filter with Frequency 1.66 to 1.67 GHz, Insertion Loss 4 dB, Rejection 60 dB @ 1568MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDEA4F1666P10H60A can be seen below.