The TP-Link Extender is an easy way to improve and extend your wireless network. We'll walk you through the TP-Link Extender installation. You can reach our customer service staff toll-free at +1-800-487-3677. By configuring your TP-Link Extender, you have successfully increased the Wi-Fi network's coverage area.TP-Link is available to assist you with any questions or troubleshooting needs. To contact us, dial +1-800-487-3677, which is our toll-free number.