The following Introduction get from netgear.com:
NETGEAR Wireless Adapters keep you from being a wallflower. Instead of plugging your Ethernet cable into the network wall outlet, plug in this convenient USB adapter and roam around with WiFi connectivity.
Model: WNA3100
WiFi Performance
N300 (up to 300 Mbps)
WiFi Band
2.4GHz
Key Features
Surf, email, chat
Fast downloads
Push 'N' Connect—push button security
Compact design
Reliable and compatible
Standards
IEEE 802.11 g/n 2.4 GHz
Wireless Speeds
802.11g: 6, 9, 12, 18, 24, 36, 48, 54
Mbps
802.11n draft: 6, 6.5, 13, 13.5, 19.5,
26, 27, 39, 40.5, 53, 54, 58.5, 65, 78,
81, 104, 108, 117, 121.5, 130, 135,
162, 216, 243, 270, 300 Mbps
Features
Wirelessly Connect to the Internet for Work or Play
Greater Wireless Reception Around Your Home or Office
• Fully 802.11n/802.11g compatible.
• USB 2.0 standard,Compatible with USB 1.1 port.
• Supports Win XP Vista Win7 win8.1
• Powered by the USB port; no external power source required.
• Compact size for placement anywhere.