1. For NanoPi R2S is an open source platform with dual Gbps Ethernet ports designed and developed for IoT applications. 2. For NanoPi R2S use RK3328 SoC. It has two Gbps Ethernet ports and 1G DDR4 RAM. 3. An OpenWrt system has been planted for NanoPi R2S. 4. It works with Docker CE. 5. It is a good platform for developing IoT applications, NAS applications, smart home gateways, etc. Hardware Specifications: Product Name: Router Development Board Model: for NanoPi R2S CPU: Rockchip RK3328, Quad-core -A53 DDR4 RAM: 1GB Network: Internal 10/100/1000M Ethernet Port * 1 USB3.0 converted 10/100/1000M Ethernet Port * 1 USB2.0 Host: Type-A * 1 MicroSD Slot*1 MicroUSB: power input and USB Slave Debug Serial Port: 3.3V TTL, 3-pin 2.54mm pitch connector, 1500000 bauds LED: LED * 3 KEY: KEY * 1 programmable PC Size: 55.6 x 52mm Power Supply: DC 5V/2A Temperature measuring range: 0 to 80 OS/Software: U-boot,-Core,OpenWrt color:Blue Material:PCB+Metal Package Contents: 1 x for NanoPi R2S development board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.