The FB4004 from Asartech is a Band Pass Filter with Frequency 8700 to 9100 MHz, Bandwidth 400 MHz, Center Frequency 8900 MHz, Insertion Loss 1.2 to 1.5 dB, Rejection 40 to 55 dB. Tags: Module with Connectors, Cavity Filter. More details for FB4004 can be seen below.
