The EDA3D1772P17F50 from ECHO Microwave is a Band Pass Filter with Frequency 1.76 to 1.78 GHz, Insertion Loss 3 dB, Rejection 50 dB @ 1710 to 1720MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3D1772P17F50 can be seen below.