Raspberry Pi Router Board for CM4 module (with two full-speed gigabit network ports, low cost, Wifi and working as a router with Openwrt)

CM4 Router Board is an expansion board based on the Raspberry Pi Compute Module 4. It brings Raspberry Pi CM4 two full-speed gigabit network ports and the "RTL8111E" controller chip offers better performance, lower CPU usage, and higher stability for a long time of work compared with a USB network card.