Nano Base Board (B) for Raspberry Pi CM 4 Suitable for testing Raspberry Pi CM4 or integrating into finished products

![1](https://i.imgur.com/wcnGjsl.png "Note: CM4 is not included in the package. You can order CM here.

Compact, yet complete CM4 standard connector, 40PIN GPIO support, Gigabit network port, USB2.0, DSI and CSI ports, 3.5mm audio jack… all in a compact body the same size as the CM4

Nano Base Board (B) Specifications

• CM4 Socket: fits all versions of Compute Module 4
• Network: Gigabit Ethernet RJ45
• Connectivity: Raspberry Pi 40PIN GPIO × 1
• USB: USB 2.0 Type-A connector
• Display: MIPI DSI port × 1 (15-pin 1.0mm FPC connector)
• Camera: MIPI CSI-2 port × 1 (15-pin 1.0mm FPC connector)
• Video: Mini HDMI port × 1, supports 4K 30fps output
• Audio: 3.5mm jack
• Storage: Micro SD card slot for Compute Module 4 Lite variants (no eMMC)
• Power input: 5V
• Dimensions: 56 × 41mm What's on the board?")

CM4 socket: compatible with all Compute Module 4 versions

• Micro SD card slot: for CM4 versions without eMMC (Lite)
• 40PIN GPIO header: Connect HAT devices
• Gigabit Ethernet RJ45 port
• 5V power port or used to install operating system on eMMC
• Audio 3.5 port
• Push button, user-defined function
• USB 2.0CSI connector port
• MIPI CSI port for camera connection
• MIPI DSI port for monitor connection
• MP1658

• Mini HDMI port, supports 4K 30fps BOOT switch:

• ON: Switch USB to Type C interface, will enter download mode when powered on (configured as a large-capacity disk through RPI boot)

• OFF: Switch USB to Type A interface, will not enter download mode when powered on (booted from eMMC or Micro SD card)

Size