Wireless Traffic More Than Doubles, CTIA Finds

US wireless data traffic grew by 123 percent from 2010 to 2011, from 388 billion megabytes to 866.7 billion MB, according to CTIA-The Wireless Association. The wireless lobbying group's survey found a 43 percent increase in the number of active smartphones and other wireless personal devices, from 78 million in 2010 to 111.5 million last year.

Additional highlights:

• A 7 percent increase in wireless subscriber connections, from 311 million in 2010 to 331.6 million last year.
• Number of active data-capable devices: 295 million, up from 270 million in 2010.
• Wireless-enabled tablets, laptops and modems: 20.2 million, a 49 percent increase from Dec. 2010.
• Minutes of Use: 2.296 trillion in 2011, up just 2 percent from 2010.
• Average local monthly wireless bill (including voice and data service): $47.00, virtually unchanged from 2010.