Backwards Compatible: Yes. Brand: Belkin. Contains USB Adapter: No. Ethernet Ports: 4. Features of Product: Plug-and-play "cd-less" setup. Easy security setup with support for wi-fi protected setupi?? and multiple ssid. 3x3 mimo design for the fastest wireless speed and best wireless coverage. Network display. 4 gigabit ports. Operating range: up to 1,600 ft. Firewall: Yes. Frequency Band - GHz: 2.4. Product Depth: 12.19 cm. Product Height: 26.41 cm. Product Weight: 1.2. Product Weight Units: kg. Product Width: 21.08 cm. Security - Encryption Capability: Yes. Speed - Mbps: 300. Technical Help: Local rate call. Wi-Fi Standard: IEEE 802.11g. Windows Compatibility: Windows 2000, xp, vista; mac os 10.4, 10.5 for cd setup; any os with tcp/ip and recent web browser for cd less setup. Wireless Connection: ADSL.