What else do I need to know about femtocells?
A number of questions persist, including ownership of the devices, potential interference as femtocells become more common and how carriers will market the technology. The answers could unlock $70 billion in savings for operators and put an end to the most nagging problem for cellular consumers: making indoor calls. Ed Sutherland is a freelance writer who has followed the rise and fall of countless technologies over the years.
