Backwards Compatible: Yes. Brand: Belkin. Contains USB Adapter: Yes. Ethernet Ports: 0. Features of Product: Smart-antenna technologybuilds upon the widely deployed 802.11g standard by increasing speed, coverage, and reliability of wireless systems. Distribute video, music, photos, and files among the networked computers in their homes. Link rate of up to 300mbps. Expand your wireless range. Stream hd video and play online games. Firewall: No. Frequency Band - GHz: 2.4. Product Depth: 6.09 cm. Product Height: 14.98 cm. Product Weight: 270. Product Weight Units: g. Product Width: 22.35 cm. Security - Encryption Capability: Yes. Speed - Mbps: 300. Technical Help: Local rate call. Wi-Fi Standard: IEEE 802.11g. Windows Compatibility: Windows 2000, windows xp. Wireless Connection: Both.