https://www.t-mobile.com/offers/free-trial# – fill out the form to get a Free T-mobile Test Drive Hotspot Device. If you’re currently a T-mobile customer it won’t work. They give you 30 days to use the device for a data connection, or until you use 30GB of bandwidth. No credit card information is required, you won’t be billed when the period is over and can either keep the device or give it back to them.