The 7FS10-1840/U100-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1755.9 to 1924.1 MHz, Bandwidth 168.2 MHz (1dB), Center Frequency 1840 MHz, Lower Rejection 30 dB. Tags: Cavity Filter. More details for 7FS10-1840/U100-O/O can be seen below.