My wife and I are planning a road trip to Central America next winter. I will be working half-time remotely for the duration of our trip so I need to stay in constant contact with my office, with reliable internet access at least to send and receive email, so even 2G would work for me. For the occasional large files, I'd be using wifi at local libraries and free hotspots.
For the USA, we are looking at plans by a small Canadian company, Roam Mobility, that offers "snowbird" plans on 3-month increments, for $49.95/month, which includes unlimited incoming and outgoing calls to Canada and the US, unlimited Canada/US/International SMS, and "unlimited" 4G data (throttled to 2G after 4 GB of data). The same company offers coverage in Mexico but on a weekly basis. I can use my unlocked work iPhone 5 on their network so I don't need to buy an additional handset. We haven't figured out coverage south of Mexico.
https://www.roammobility.com/snowbird-plansHas anyone used that company in the USA? Is there anything better or cheaper that you can recommend for Canadian nationals? I'd also like to hear about cell/data options for countries south of the USA.