The 8FS10-3400/U220-P/P from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 3286.2 to 3513.8 MHz, Bandwidth 227.6 MHz (1dB), Center Frequency 3400 MHz, Insertion Loss 0.88 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 8FS10-3400/U220-P/P can be seen below.