The AM1732B1194 from Anatech Electronics is a Band Pass Filter with Frequency 1.71 to 1.76 GHz, Bandwidth 45 MHz, Center Frequency 1732.5 MHz, Insertion Loss 2 dB, Upper Rejection 50 dB @ 3420-3510 MHz. Tags: Ceramic, Surface Mount, Ceramic Filter. More details for AM1732B1194 can be seen below.