T-Mobile has its T-Mobile Rocket 4G Laptop Stick bundled with a $15 T-Mobile Refill Card for $19.99 (59.99 – 40 coupon) with Free Shipping for limited time. Refill card is add to cart automatically during checkout.

Just plug the Rocket 4G Laptop Stick into your laptop and get high-speed Internet on the go—with convenient access through T-Mobile’s blazing-fast 4G mobile broadband network. This USB modem features HSPA+ speeds up to 21Mbps, microSD card slot, and much more.