Welcome to our store! Gigabit Ethernet: This mini-card module features built-in Gigabit Ethernet, supporting IEEE1588, perfect for developing internet applications. Strong Performance: Upgraded CPU to BCM2711, quad-core Cortex A72 64-bit processor, delivering more powerful performance. B to B Connector: The CM4 ultra-mini expansion board uses a B to B connector design, changing the gold finger design from previous CM series generations and improving stability. Wireless Module: Includes wireless module options, using the same WIFI and BT modules as the PI4B, providing a built-in PCB antenna and external antenna, making it ideal for industrial applications. PCIe Interface: Built-in standard CM4 connector, integrated with a variety of peripheral interfaces, suitable for narrow application environments, and expands the PCIe interface. Item Type: Mini Base Plate for RPi CM4 Material: PCB CM4 Deck: For all versions of Compute Module 4 Connector: 1 x For RPi 40PIN GIPO Interface USB: 1 x USB2.0 Type A Interface Camera: 1 x MIPI CSI 2 Interface (15pin 1.0 mm fpc connector) Onboard Storage: Micro Memory Card Slot (for versions without eMMC) 1 x Mini Base Plate for RPi CM4 1 x Straight Pin If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.