Road warriors who frequently need to set up temporary virtual offices will be happy to learn that Verizon is set to release a 3G-based mobile hotspot device, called the Verizon MiFi 2200, on May 17. The MiFi is a small, rechargeable-battery-powered CDMA (EV-DO Rev. A)-based device that permits up to five 802.11b/g wireless devices to simultaneously get online. The MiFi measures only 3.5×2.3×0.4-inches and weighs a mere 2.05 ounces. It is based on the Novatel Wireless MiFi Intelligent Mobile Hotspot design that