features: 1. For CM4 WIFI6 dual port expansion board, and complete 2. Onboard 40PIN GPIO interface and standard CM4 connector support access to Compute Module 4 Lite/eMMC series motherboards 3. On board M.2 E KEY interface, supporting WIFI module access, supporting AX200, AX210 and other wireless network cards 4. Dual Ethernet RJ45 interface, one gigabit network interface, one hundred gigabit network interface 5. Application example: applicable to the application of for raspberry pie required by multi-functional peripherals or other industrial occasions Specifications: CM4 card holder: applicable to all versions of Compute Module 4 Networking: Gigabit Ethernet RJ45 interface x 1; 100M Ethernet RJ45 interface x 1 USB: USB 2.0 interface x 3 PCIe:M.2 E KEY Connector: for 40PIN GPIO interface Display: MIPI interface (15pin 1.0mm FPC connector) Camera: MIPI CSI-2 interface x 2 (15pin 1.0mm FPC connector) Video: -compatible interface x 2. Support 4K 30fps output Real time clock: with battery interface and the to wake up Compute Module 4 Storage: onboard -SD card slot (for versions without eMMC) Fan interface: 5V/12V, speed regulation and speed measurement are not supported Power input: 7V~36V wide voltage Size: 109.0 x 91.5mm color: blue Material: PCB+metal Package Contents: 1 x Expansion Board Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.