Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. xG Technology, Inc. is a developer of wireless communications technologies. The Company is headquartered in Sarasota, Florida with central engineering facilities located in Fort Lauderdale, Florida. It is incorporated under the laws of Delaware. The company claims to have produced a mobile VoIP and data system operating in the license-free ISM 900MHz band (902-928MHz). xMax is an end-to-end Internet Protocol (IP) system infrastructure that is currently deployed in Fort Lauderdale, FL. On Sept. 22, 2009, VoIP industry expert Rich Tehrani test drove the xMax mobile VoIP pilot network operated by the company in Fort Lauderdale, FL. His recent article, published on TMCnet on (referenced below) concluded: xMax worked well and is real.