The Karma Go Wi-Fi hotspot is a simple and contract-free way to connect your devices on the go. It uses 4G/LTE to connect up to 8 Wi-Fi enabled devices. It costs $14 for 1GB, $59 for 5GB, and $99 for 10GB of data, and the data never expires.
The Karma Go device itself is just 2.9 inches by 2.9 inches, 0.47 inches deep, and weighs 2.3 ounces. It has a 1500mAh Lithium-ion battery inside, which will give it 220 hours of standby time and 5 hours of internet usage.
Karma Go uses the Sprint network, so you'll need to make sure you have good Sprint coverage where you are.