The AM1747B1676 from Anatech Electronics is a Band Pass Filter with Frequency 1.7095 to 1.7845 GHz, Bandwidth 75 MHz, Center Frequency 1747 MHz, Insertion Loss -3 dB, Rejection -25 to -10 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for AM1747B1676 can be seen below.