The BT Dual Band Wi-Fi Extender flex 500 Adapter Plug is a black, dual-band extender that allows you to easily extend the range of your home network. It features one LAN port for connecting wired devices and is compatible with BT broadband routers. This product is a convenient solution for improving connectivity in hard-to-reach areas of your home. With the added benefit of dual-band technology, you can enjoy faster and more reliable Wi-Fi for your devices.
eBay