The AM1747B1369 from Anatech Electronics is a Band Pass Filter with Frequency 1.7 to 1.78 GHz, Bandwidth 75 MHz, Center Frequency 1747 MHz, Insertion Loss 2.5 dB, Upper Rejection 10 dB @ 1805 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1747B1369 can be seen below.