The AB1912B714 from Anatech Electronics is a Band Pass Filter with Frequency 1.87 to 1.96 GHz, Bandwidth 105 MHz, Center Frequency 1912 MHz, Insertion Loss 1 dB, Lower Rejection 21 dB @ DC-1835 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB1912B714 can be seen below.