Raspberry Pi Compute Module 4 IO Board
www.farnell.com › datasheets › 3157511The Raspberry Pi CM4IO board is designed for development of products using the Raspberry Pi Compute Module 4. In some situations the CM4IO board can be used directly in products. The CM4IO board contains many of the interfaces that the Raspberry Pi 4B has, for general usage you should refer to Raspberry Pi 4B documentation.