The 5FS10-4550/H120-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 4475 to 4625 MHz, Bandwidth 150 MHz (0.5dB), Center Frequency 4550 MHz, Insertion Loss 1.15 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 5FS10-4550/H120-O/O can be seen below.