The SpeedTouch 121g is a wireless 802.11g USB 2.0 Adapter, which enables wireless networking systems to attain data transmission speeds up to 54 megabits-per-second (Mbps), while remaning backward compatible to the existing installed base of over 15 million Wi-Fi systems worldwide.

It supports operation with both the IEEE 802.11b and IEEE 802.11g standards, and features support for secure data encryption using WiFi Protected Access (WPA).

• Compatible with SpeedTouch Wireless Home Install Wizard
• High speed for wireless LAN connection, up at 54Mb/s data rate.
• Backward compatible to the existing IEEE 802.11b WLAN infrastructure.
• User-friendly utility to configure SSID, security setup and site survey.
• Wireless data encryption with 64, 128 encryption for security.
• WPA Personal
• Support USB v2.0
• Firmware upgradeable.
• Wireless connectivity simply by plugging usb adapter in usb connector
• No need for a desktop bus card installation nor looking for a PCI slot
• Excellent coverage and range
• Ideally suited to operate with the SpeedTouch 545, 570 and 580 Wireless ADSL Routers
• Supports Windows 98/2000/ME/XP and higher
• Interoperable with other manufacturer's high-speed compliant systems
• Easy to install.