Description For CM4-NANO-B expansion board, easy to learn and evaluate for computing module or directly integrated into the product. The size of CM4, the onboard standard CM4 connector, integrates a variety of interfaces to meet the needs of most users. Applicable to all versions of Compute Module 4. Onboard -SD card slot (for versions without eMMC) input 5V CM4 socket: for all versions of Compute Module 4 Network: Gigabit Ethernet RJ45 interface Connector: 40PIN GPIO interface X 1 USB: USB 2.0 Type A interface X 1 Display: MIPI interface X 1 (15-pin 1.0mm FPC connector) Camera: MIPI CSI-2 interface X 1 (15-pin 1.0mm FPC connector) Video: Mini -compatible interface X 1, support 4K 30fps output Audio: 3.5mm headphone jack Storage: Onboard -SD card slot (for versions without eMMC) input: 5V Size: 56x41MM Material: PCB Color: Blue Package Contents: 1 x Expansion Board 1 x Straight Pin Header Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.