Wireless Networks Prepare To Shift Data Into Overdrive ORLANDO, FLA.— Carriers are gearing up to accelerate the speeds of their high-speed data networks.During Wireless 2002, suppliers demonstrated CDMA 1x EV-DO infrastructure and PC card radiomodems to accelerate data rates to 2.4Mbps in mobile environments.In GPRS and EDGE announcements, AT&T Wireless CTO Rod Nelson said his company will begin rapid deployment in the second half o...