The AM1191B1703 from Anatech Electronics is a Band Pass Filter with Frequency 1146.795 to 1236.795 MHz, Bandwidth 90 MHz, Center Frequency 1191.795 MHz, Insertion Loss 5 dB, Rejection 15 to 45 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1191B1703 can be seen below.