No reception? New 'femtocells' cover where networks don’t.
Sony’s $399 Reader Daily Edition will go on sale by December.
How much faster is 3G than 2G? Where can you get 4G? And what is 2.5G?
Not all phones will work abroad, and even if yours does, you could end up with roaming charges unless you sign up for an international calling plan before you go.
Following in the footsteps of Amazon.com Inc.’s Kindle, another e-book reader is set to get a wireless connection from a cellular carrier, letting it access books anywhere there’s a signal.
Firms and feds offer free connections to customers shut out by high costs.