03R EDGE-RT28 (RK3528) Industrial Router Board

The EDGE-RT28 is an industrial-grade RK3528 mainboard for 4G/5G routers and edge gateways. With 4× GbE, optional Wi-Fi 6, Mini PCIe for cellular modules and a fully upstreamed OpenWrt / ImmortalWrt firmware tree, it is an ideal reference platform for OEM and industrial customers.

Key Specs

• SoC: Rockchip RK3528, quad-core ARM Cortex-A53 @1.5GHz
• Memory: 1GB/2GB DDR3; Storage: 8GB–32GB eMMC
• Networking: 4× GbE (WAN/LAN switchable), Wi-Fi 6 (optional)
• Expansion: Mini PCIe (4G/5G), USB 3.0, HDMI, microSD
• Software: Mainline ImmortalWrt / OpenWrt 21.02

Typical Use Cases

Industrial 4G/5G routers, edge gateways, AI edge inference, smart IoT terminals, indoor/outdoor signage.