The AF6B1570F125FCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1507.5 to 1632.5 MHz, Bandwidth 125 MHz, Center Frequency 1570 MHz, Insertion Loss 1.8 dB, Upper Rejection 50 dB. Tags: Surface Mount, Dielectric Filter. More details for AF6B1570F125FCA can be seen below.