This insures much greater security than the standard WEP security, which requires the keys to be changed manually. Used in conjunction with a RADIUS server, WPA uses TKIP (Temporal Key Integrity Protocol) to change the temporal key every 10,000 packets. WPA allows authorization and identification of users based on a secret key that changes automatically at a regular interval. The DWL-G122 supports Wi-FiTM Protected Access (WPA) to provide the necessary security protocols and tools, so you can communicate with other wireless users confidentially, access sensitive information or send data that is dynamically encrypted as it's sent. The DWL-G122 and other 802.11g standard devices can be gradually added to your network, while the rest of your older network remains perfectly connected. By maintaining compatibility with your existing wireless network equipment, this adapter lets you upgrade to a higher speed at the pace you want. 802.11g's compatibility with existing wireless LAN standards means that you do not need to change your entire network to maintain connectivity. Like the 802.11b devices, the DWL-G122 uses a single 2.4GHz wireless frequency, eliminating the complexity of dualband networking. This compares favorably with 802.11b adapters that offer only 11Mbps transmission. The DWL-G122 provides speeds of up to 54Mbps when used with other 802.11g wireless devices. With industry standard interoperability, backward compatibility with 802.11b devices and plug-and-play installation, this adapter is an ideal solution for notebook and laptop PC users needing fast and standard mobile network connection. This adapter simply plugs to your computer through a fast USB 2.0 interface to provide up to 54Mbps wireless speed. The DWL-G122 is a high-performance 802.11g wireless LAN USB adapter that connects your computer to a high-speed wireless LAN. The official marketing text of D-Link DWL-G122 network card 54 Mbit/s as supplied by the manufacturer
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