4g LTE router

Go to colleagues home to play with my colleagues at home network didn’t think he speed quick, I asked what her family network colleagues, colleagues told me 4 g LTE router, saying she just change, listen to the colleagues of things I said speed is very fast? Colleagues to listen to my things said she usually at home on the Internet. Also a lot of time, is simply to home router with 4 g LTE, surf the Internet on special? What to listen to the colleagues and I said it was very good, another day I also change my home network to 4 g LTE router, colleagues listen to I speak the things he said if I talk to her home on the Internet is particularly fast.