The NanoPi R1S (as "R1S")is an open source loT ARM board designed and developed by FriendlyElec. It based on Allwinner Quad-core A7 SoC H3. Both models have 512M DDR3 RAM, two Gbps Ethernet ports, an onboard 2.4G Wi-Fi module and etc. Both boot from a TF card. Both models' USB can be extended to connect a 4G module or works with a USB camera.
FriendlyElec ported an OpenWrt system for the NanoPi R1S and provides a Build System for compilation and customization. By applying some simple configurations it will work as a router. Users can easily put add-on features to it and use it in WAN-dailing applications, game acceleration, personal NAS applications, remote control, smart home gateways, DIY projects and etc.
Besides FriendlyWRT the NanoPi R1S works with Ubuntu Core and Armbian as well.