1. Gigabit Ethernet: This mini-card module adds Gigabit Ethernet design onboard, supports IEEE1588, and is suitable for internet application development. 2. Strong Performance: CPU upgraded to BCM2711, quad-core Cortex A72 64-bit processor, for more powerful performance. 3. B to B Connector: The CM4 ultra-mini expansion board adopts a B to B connector design, changing the design of gold fingers from previous generations of the CM series and improving stability. 4. Wireless Module: Add wireless module options, using the same WIFI and BT modules as PI4B, providing an onboard PCB antenna and external antenna, making it more suitable for industrial applications. 5. PCIe Interface: Standard CM4 connector onboard, integrated with a variety of peripheral interfaces, suitable for narrow application environments, increasing PCIe interface expansion. Item Type: Mini Baseboard 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) Storage Onboard: Micro Memory Card Slot (for Versions Without eMMC) 1 x Mini Base Plate for RPi CM4 1 x Straight Needle