Straight Talk, a prepaid smartphone service, has started to sell SIM cards that supports unlocked devices that uses AT&T compatible 4G LTE. The monthly plans start at $45 for unlimited data. This may be considered a better deal than Aio Wireless. Aio starts at $55 per month. To use this service, buyers will have to get a new SIM or micro-SIM card to utilize the AT&T LTE network.
[Source: Droid Life]