Dual-band wireless range extender provides reliable coverage of up to 10,000 square feet. Cross-band technology maximizes the simultaneous use of both bands for high-speed data transfer and uninterrupted streaming. Gigabit Ethernet ports transfer data 10 times faster than Fast Ethernet to provide a high-speed connection for your wired devices. Simultaneous dual-band technology delivers a stronger connection at a wider range than a single band. Spot-finder technology directs you on finding the right placement for this extender to make sure you're getting the best possible Wi-Fi signal. Audio capability lets you connection to a stereo system or audio speaker and stream music from a mobile device or computer. Universal design works with any wireless router (sold separately) for simple operation.