How much is my 5g limit on my verison wireless modem?

how much is my limit on my 5g verison wireless usb and will x box live take up all of it if not how much will it take?|||you mean 5 GB, well depends what you do on internet, you download 8 movies 5 GB is done, if you watch few hundred youtube videos is done.... this kinda wireless things are invented more for people who want mobility: check mail, web pages, send few documents and so on.