The 3FS10-5350/U400-P/P from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 5096.35 to 5603.65 MHz, Bandwidth 507.3 MHz (1dB), Center Frequency 5350 MHz, Lower Rejection 40 dB. Tags: Cavity Filter. More details for 3FS10-5350/U400-P/P can be seen below.