“The 802.11g standard is part of the thicket of wireless networking standards. The most popular is Wi-Fi, or 802.11b, which has been installed in 15 million to 18 million homes and offices worldwide. The networks provide wireless Internet access within a radius of about 300 feet of an access point.
The 802.11g network is much faster, although it operates in the same radio frequency as Wi-Fi. Equipment using 802.11g can download files or access the Web at 54 megabits per second, compared with Wi-Fi’s rate of 11 megabits per second. It is also more secure than Wi-Fi and is compatible with existing Wi-Fi networks, meaning customers could use an 802.11g card to access a Wi-Fi access point.”