The AB2593B765 from Anatech Electronics is a Band Pass Filter with Frequency 2.47 to 2.71 GHz, Bandwidth 240 MHz, Center Frequency 2593 MHz, Insertion Loss 1 dB, Upper Rejection 50 dB @ 2800 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB2593B765 can be seen below.