The EDA6D669P30E50 from ECHO Microwave is a Band Pass Filter with Frequency 654.9 to 684.9 MHz, Insertion Loss 2.5 dB, Rejection 50 dB @ 569.9MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA6D669P30E50 can be seen below.