The CF-16870093 from Filtronetics is a Band Pass Filter with Frequency 1.682 to 1.691 GHz, Bandwidth ±4.5 MHz, Center Frequency 1686.5 MHz, Insertion Loss 4.7 dB, Rejection 15 to 50 dB. Tags: Surface Mount, Ceramic Filter. More details for CF-16870093 can be seen below.