4g LTE router

My brother and I have time to play, do students home for a while, see them home computer to put a 4 g LTE router, feel curious, I took up to ask, is I met 4 g LTE router this stuff, then she used the Internet, a more convenient Internet tools, and every time the router to use 4 g LTE, speed basically stable, use conveniently, also a lot of things are links to 4 g LTE search out of the router, the router and a 4 g LTE can link more mobile phone, link to mobile phone network will not be affected by a bit, can be normal use.