The AB1300B469 from Anatech Electronics is a Band Pass Filter with Frequency 1.29 to 1.31 GHz, Bandwidth 20 MHz, Center Frequency 1300 MHz, Insertion Loss 1 dB, Upper Rejection 40 dB @ 1282 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB1300B469 can be seen below.