US Robotics Wireless 125Mbps MAXg PC Card. Get the best 802.11g networking available with the Wireless MAXg Product Family from U.S. Robotics. MAXg technology provides - MAXimum range, up to 50% greater than standard 802.11g; MAXimum speeds equivalent to 125 Mbps performance; MAXimum security, with a wide range of security options; MAXimum simplicity, with the exclusive SureStart installation wizard.