The New York Times reports that a few companies–Kyocera, Junxion and Top Global–have begun to produce a portable Wi-Fi hotspots in a box. Each box requires the insertion of a PC laptop card provided by a cellular carrier. Once you have the box and insert the card, the portable hotspot allows internet access to any computer within 200 feet of the box. Previously, the PC laptop card would only allow one computer to access the internet, the portable hotspot works around that limitation… (Note: This site requires free registration)