Determine US Version / INTL (World) Version
Full MAC Address:
The full MAC address is located on the back of the AP. The US Version has a prefix * before the full MAC address while the World Version does not.
Example: *[Full MAC Address] and [Full MAC Address]
Product SKU:
The US Version of an AP will have a suffix -US after the model name and the INTL Version does not.
Example: UAP-AC-SHD-US and UAP-AC-SHD
SSH:
The following command be performed to determine which AP version you have.
grep regdmn /proc/ubnthal/system.info
The output may vary depending on the AP model.
US:
regdmn[0]=002a regdmn[1]=001f
INTL:
regdmn[0]=0000 regdmn[1]=001f