Shopping? Check out our latest product comparisons

SIM card

The Portable SIM is a prototype device developed by NTT Docomo that forgoes the need to in...

NTT Docomo has announced the development of a wireless Portable SIM prototype that can be waved in front of a compatible smartphone to provide network authentication information. The device could provide an easier way of switching between handsets in the future.  Read More

The KnowRoaming sticker is attached to the user's SIM card using an included applicator

It's a pretty common experience – you get back from a trip to another country, and discover that you racked up huge roaming fees while you were there. While one alternative is to just not use your phone when abroad, Toronto start-up KnowRoaming is now offering another: an electronic sticker that is said to reduce roaming fees by up to 85 percent.  Read More

Mini-, micro-, and nano-SIM cards

The SIM cards that fit into those tiny slots in your cell phone and tell your cellular network to whom your calls are to be charged come in four different sizes. With the only real difference between them the amount of excess plastic on which the circuitry is housed, MicroSIMcutter's new SIM card cutter can cut either mini- or micro-SIM cards into the nano-SIM form factor, allowing a user switching phones to recycle their existing card.  Read More

Looking for something? Search our 28,286 articles