Get two LTE GSM Sim Cards with Unlimited talk, text, and Shared 4GB for $0.99 at FreedomPop. Plus, the shipping is free, which makes this the lowest price we could find for two of these kits by $19. The SIM cards work with any GSM unlocked phone and will activate your devices on a family plan with unlimited talk and text and 4GB of shared data. This service is free for the first month, but will cost $54.99/mo after that. However, you can switch to the unlimited talk and text plan with 2GB of shared data for $14.99/mo at any time and there's a 30-day moneyback guarantee. Sales tax is charged in some states.