CMOS chip: ZD1211 ,which is Sagem ( France ) USB wireless. Pro.feature: perfect solution for all network users,both desktop and notebook. Easy intallation.

Model number: XG-760A
Complies with IEEE 802.11g, IEEE802.11b
Transfer speed up to 54Mbps
Op. System:Windows 98SE/ME/2000/XP
Support  USB1.1/2.0 

Benefits to Users:
• 5 times faster than 802.11b in data rate
• Backwards compatible with 802.11b network equipment
• Powerful data security with 64/128-bit WEP data encryption, TKIP, and AES-CCM

This is an ideal wireless adapter that enables your PC to access to 2.4 GHz networks with high performance data rate of up to 54Mbps and also can backward compatible with existing 802.11g (54Mbps) equipment seamlessly.