The 9FD10-9000/U400-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 8780 to 9220 MHz, Bandwidth 440 MHz (1dB), Center Frequency 9000 MHz, Insertion Loss 0.75 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 9FD10-9000/U400-O/O can be seen below.