Hi, g4b42:
Yep, can be higher than 1008Mhz, but cannot reach 1200Mhz due to PCB limitation.
We have tested 1056Mhz and didn’t found any problems, but you can try to run higher freq on your board, just note that make each step as 24Mhz, e.x: 1008, 1032, 1056, 1080…
Enjoy!