Range Extender Mode Range Extender mode boosts wireless signal to previously unreachable or hard-to-wire areas flawlessly. The miniature size & wall-mounted design make it easy to deploy & move flexibly. Flexible Deployment The device's miniature size & wall-mounted design make it easy to deploy & move flexibly. What's more, the TL-WA854RE's profile function remembers previously paired wireless networks, meaning there is no need to reset the device when changing the paired router. Smart Signal Indicator Light Five signal lights represent the current signal strength that TL-WA854RE receives from an existing router, which can help to find the right location to place the range extender so that the TL-WA854RE can achieve the best possible range & performance. Plug & Play With no new wires or cables, within range of their existing wireless network, users can easily extend wireless coverage at a push of the WPS button on their router, followed by the Range Extender button on the TL-WA854RE or vice versa. An additional push of the pair button can quickly establish an encrypted connection with client devices. Universal Compatibility Works seamlessly with 802.11 n/g/b wireless devices. It is also compatible with Windows 8 operating system.