SCOTTSDALE, AZ--(Marketwire - March 21, 2011) - The numbers and types of 3G and 4G devices other than mobile handsets such as tablets, notebooks, and e-readers that are required by US business is becoming a larger portion of the overall business wireless spend. New In-Stat (www.in-stat.com) research forecasts that spending on non-handset 3G and 4G services will exceed $5 billion by 2014.