Since 4G wireless is by its nature a shared network, Sprint would need to make sure bandwidth remains available wirelessly for business customers relying on it as a substitute for a T-1 line. This makes it a different challenge than wireline networks, Rowley acknowledged. But he said he hoped in the next 60 to 90 days, Sprint will be able to settle on exactly how this type of 4G wireless as T-1 substitute could be made available through Sprint's wholesale customers who act as resellers.

in Network World's Anti-malware section.