M28K is rk3528 new mini sbc box. The following hardware features are supported：
1.Two Gb ethernet（one gmac another is pcie）
2.Two usb 2.0 type A connecter
3.wifi6 aic8800
4.lpddr4（1-4GB）emmc（8-32）TF
5.micro hdmi connecter
6.IR Receiver
7.user uart/spi/iic extended interfaces
8.pd power
M28K is rk3528 new mini sbc box. The following hardware features are supported： 1.Two Gb ethernet（one gmac another is pcie） 2.Two usb 2.0 type A connecter 3.wifi6 aic8800 4.lpddr4（1-4GB）emmc（8-32）TF 5.micro hdmi connecter 6.IR Receiver 7.user uart/spi/iic extended interfaces 8.pd power