Description/Features: Enhanced Connectivity: Equipped with dual Ethernet ports supporting Gigabit and 2.5G speeds, this expansion board ensures high-speed, reliable network connections for your CM5. Advanced Networking: Perfect for developers and hobbyists, the board's 4G/5G capabilities enable seamless internet access and IoT applications, making it ideal for advanced projects. GPIO Compatibility: Fully compatible with for GPIO, this board allows for easy integration with existing projects and peripherals, enhancing your setup with additional functionality. Robust Design: Featuring a RJ45 IO base, the board is built to withstand rigorous use, ensuring and consistent performance. Specification: Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Blue Material: PCB Package Contents: 1*Expansion Board 1*Screw Packing 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.