The AB5530B564 from Anatech Electronics is a Band Pass Filter with Frequency 5.52 to 5.54 GHz, Bandwidth 20 MHz, Center Frequency 5530 MHz, Insertion Loss 1.75 dB, Upper Rejection 20 dB 5550-6200 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB5530B564 can be seen below.