Due to the shortage of the chip that has a unique built-in MAC address, FriendlyElec no longer list the R4S board with a unique MAC address for retail sales. If you want to order the R4S board with a unique MAC address, you have to place an order with a minimum order quantity of 100 pieces
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 .