The AF10A1985F370FCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1800 to 2170 MHz, Bandwidth 370 MHz, Center Frequency 1985 MHz, Insertion Loss 2.25 dB, Upper Rejection 50 to 70 dB. Tags: Surface Mount, Dielectric Filter. More details for AF10A1985F370FCA can be seen below.