TeliaSonera has become the first carrier to set up a commercial-ready 4G site based on the Long Term Evolution (LTE) standard. Located in Stockholm, Sweden, the tower is part of a larger network that will be ready in 2010 and promises much faster Internet than 3G. Ericsson, which helped build the site, says 4G can reach a theoretical peak of 160Mbps; real-world speeds are likely to be much slowe