@Saljj I'm fairly sure the spec is the same worldwide, so I think you'll be OK. I bought one in Thailand and it works in the UK.

Hmm, that is confusing indeed. Hopefully somebody from TP-Link can confirm. Is the device working well for you?

I think that is a Thai-specific firmware - did you buy the device in Thailand? I can see it if I scroll down here: https://www.tp-link.com/th/support/download/archer-nx200/ (note if you are not in...