Can industrial routers be used abroad?

Because the network frequency bands of various countries are different, although domestic 4G full Netcom industrial routers can be used in other countries, they will also have no network due to the lack of a local frequency band!

Therefore, if you want to use industrial routers abroad, you first need to understand the local frequency bands abroad, and install different 4G communication modules inside the industrial routers according to different national frequency bands to achieve network compatibility!