WIRELESS MOBILE MINI TRAVEL ROUTER - Convert a public network(wired/wireless) to a private Wi-Fi for secure surfing. Create a secure Wi-Fi hotspot quickly OPEN SOURCE & PROGRAMMABLE - Supports FriendlyWrt , It is based on an OpenWrt distribution and works with Docker CE .Open source and well suitable for developing IoT applications, NAS applications, smart home gateways Dual Gbps Ethernet Ports - The NanoPi R4S has two Gbps Ethernet ports: one directly extended from the SoC and the other converted from a PCle. gets around 941 mbits/second download and upload IMPORTANT AND REMIND not include SD card , you need an SD card to install OS and you also need power by 5V/3A . Not include wifi module . USER MANUAL - ★WIKI :Google serach youyeetoo and click docs to search R4S .Any questions, please contact us，We are always ready to listen to you If you have any questions, you can also leave a message. At the same time, we have a research and development team that can provide customized services. Support： support @ youyeetoo.com Communication and customized consulting: charles @ youyeetoo .com If you need support or bulk inquiries, please also contact me. With MAC chip Version no longer retail, 500PC/MOQ.