The new HP Chromebook x2 11 is a seriously impressive Chrome OS detachable. If you’re looking for a Chrome OS tablet you can use with a keyboard, this is one you don’t want to miss. In addition to fairly high-end specs, the Chromebook x2 11 also has an included USI pen and cellular connectivity. Indeed, this is one of the best Chrome tablets out there. Given the extreme portability of this device, you might be wondering about which cellular services are available.