NanoPi R4S SBC preview with OpenWrt and Ubuntu Core - CNX Software
NanoPi R4S is a tiny headless PC with RK3399 processor and two Gigabit Ethernet ports - Liliputing
Amazon.com: FriendlyElec Nanopi R4S Mini Router OpenWRT with Dual-Gbps Ethernet Ports 4GB LPDDR4 Based in RK3399 Soc for IOT NAS Smart Home Gateway (with MAC Chip) : Electronics
NanoPi R4S Mini Router 4GB Memory RK3399 Two Gigabit Ethernet Port Networking | eBay
Amazon.com: Nanopi R4S Mini Portable Travel Router OpenWRT with Dual-Gbps Ethernet Ports 4GB LPDDR4 Based in RK3399 Soc for IOT NAS Smart Home Gateway(Without MAC chip) : Electronics
Will this thing finally be a cheap simple OpnSense machine? : r/OPNsenseFirewall
Amazon.com: FriendlyElec Nanopi R2S(Black) Mini Portable Travel Router OpenWRT with Dual-Gbps Ethernet Ports 1GB DDR4 Based in RK3328 Soc for IOT NAS Smart Home Gateway : Electronics