SEP Device Control Problem

Hey guys,

We tried to use Device Control and it was useful, we used the DevViewer to Check the GUID and the Device ID and add it on the SEPM Console,

HERE IS THE PROBLEM,  we found out  the  USB Broadband Stick uses the same GUID as the Optical Drive, so basically if we block the USB Broadband Stick, it also blocks the Optical Drive like CD and DVD Drives. Is there anything we can do to fix this?

from what I know GUID is for general device ID and Device ID is unique to each device so we cannot use the Device ID.

Thanks,