Low band signals oscillate the frequencies between 10.7Ghz-11.7Ghz by 9750Mhz
High band signal oscillates the frequencies between 11.7Ghz-12.75Ghz by 10600Mhz.
Here is a useful guide for remembering what satellite bands what DC voltage are and or 22Khz tone will need to be applied by the satellite receiver to receive them.