The AB3300B647 from Anatech Electronics is a Band Pass Filter with Frequency 3.27 to 3.32 GHz, Bandwidth 50 MHz, Center Frequency 3300 MHz, Insertion Loss 1.75 dB, Upper Rejection 80 dBc @ 3490-9000 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB3300B647 can be seen below.