Thanks in no small part to T-Mobile's free global data initiative, US carriers have begun to lighten the fee load when it comes time to roam. But you'll still pay an arm and a leg in many countries, ...

In Insert Coin, we look at an exciting new tech project that requires funding before it can hit production. If you'd like to pitch a project, please send us a tip with "Insert Coin" as the subject ...

KnowRoaming opens preorders for a SIM card sticker that connects travelers to local cell networks. But there is a small catch. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

While most people manage quite well with a single SIM card, if you want better demarcation between your work and home life, or you want to make roaming with multiple SIM cards easier, then having the ...

The subscriber identity module -- SIM -- contains the information used to connect to your wireless carrier's network from your iPhone 4. If you are planning to resell your company's iPhones, you ...