Getting a data plan is one of the biggest hurdles with LTE security cameras. The best option is a prepaid security camera SIM card like Eiotclub sells, but you can also go through your carrier.
Not to be confused with the Cymbal-T, this basic feature phone sports 4G LTE, a clamshell design, 2-megapixel camera, outer display, large main display, text-to-speech mode for hands-free use ...