T-Mobile offers the 3.88-oz T-Mobile 4G Prepaid Mobile HotSpot bundled with a $25 Refill Card for $34.99 with free shipping and free activation. That’s $35 under our July mention of a similar T-Mobile HotSpot and the lowest total no-contract price we could find for this device by $71, not including the $25 data card. Sales tax is added where applicable. This mobile hotspot allows for simultaneous Internet access for up to five WiFi devices and features a microSD card slot and USB connectivity. It comes with a charger.