Documents:

IoT Gateway
Hardware manual V1.0 2019-3-27
Software manual V1.0 2019-6-30

CM4 Industrial
Hardware manual V1.0 2020-11-19
Software manual V1.0 2021-3-20

Software:

IoT Gateway
Image for Raspbian Lite
Image for Raspbian Desktop

CM4 Industrial
Image for Raspbian Lite
Image for Raspbian Desktop
 
Mechanical

IoT Gateway
Drawing of PCB

CM4 Industrial
Drawing of PCB