The AB5785B745 from Anatech Electronics is a Band Pass Filter with Frequency 5.78 to 5.8 GHz, Bandwidth 20 MHz, Center Frequency 5785 MHz, Insertion Loss 2.0 dB, Upper Rejection 60dB @ 5805-6200 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB5785B745 can be seen below.