The ZTE MF833N is a mobile router aimed at users who need portable internet connectivity through cellular networks. It can be used to provide wireless connectivity to devices such as laptops, tablets, smartphones, and other devices that need internet access outside of standard Wi-Fi networks.

Typically, this type of mobile router is used when you are in areas where a fixed internet connection is not available, and you need a portable solution to connect to the internet through your mobile network provider.