The AE1764B9812 from Anatech Electronics is a Band Pass Filter with Frequency 1.76 to 1.77 GHz, Bandwidth 2 MHz, Center Frequency 1764 MHz, Insertion Loss 4 dB, Upper Rejection 50 dB @ 1789-6000 MHz. Tags: Module with Connectors, Cavity Filter. More details for AE1764B9812 can be seen below.