The AB5750B770 from Anatech Electronics is a Band Pass Filter with Frequency 5.75 to 5.76 GHz, Bandwidth 10 MHz, Center Frequency 5750 MHz, Insertion Loss 1.75 dB, Upper Rejection 40 dB @ 5770-6200 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB5750B770 can be seen below.