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This is a dual Gigabit ethernet 5G/4G base board from Waveshare, designed for the Raspberry Pi Compute Module 4 (not included).
This base board's main features are the dual-Gigabit Ethernet ports, allowing you to evaluate the CM4 as a controller for a custom router project. You'll need to compile your own software for this with very limited information from the manufacturer, so this is not intended for novice users!
There's also a slot for an M.2 B-Key 4G/5G module (not included) allowing the addition of LTE functionality for your project. Alongside this is a nano sim card slot option 5G/4G/3G/2G connectivity as well.
The board also features 2x USB 3.2 ports, an RTC and backup battery holder, fan header, 2x CSI and 1x DSI ports, 2 full-size HDMI ports and a Micro-SD card slot!
Base board only. Does not include the CM4, power supply or M.2 B-Key module. This allows you to choose your wireless and power options separately.
1) CM4 socket
- suitable for all variants of Compute Module 4
2) 40-Pin GPIO header
- For connecting sorts of HATs
3) Dual RJ45 Gigabit Ethernet
- 10/100/1000M compatible
- ETHERNET 0: CM4 original ETH
- ETHERNET 1: USB extended ETH
4) HDMI connectors
- 2x HDMI, supports 4K 30fps output
5) USB 3.2 ports
- 2x USB 3.2 Gen1, for connecting sorts of USB devices
6) PWR & USB
- DC power supply or USB programming port
7) Fan header
- For connecting cooling fan, allows speed adjustment and measurement
8) Camera Port
- 2x MIPI CSI camera ports
9) 4G/5G module status indicator
- STA red: module enable indicator
- NET green: module operating status indicator
10) CM4 status indicator
- PWR red: Raspberry Pi power indicator
- ACT green: Raspberry Pi operating status indicator
11) BOOT selection
- ON: CM4 will be booted from USB-C interface
- OFF: CM4 will be booted from eMMC or Micro SD card
12) Display Port
- MIPI DSI display port
13) M.2 B KEY
- Supports 4G/5G modules, or other communication modules using USB channel
14) Nano-SIM card slot
- Supports standard Nano-SIM card for 5G/4G/3G/2G communication
15) Micro SD card slot
- For connecting a Micro SD card with pre-burnt image (Lite variant ONLY)
16) RTC battery holder
- Supports CR2032 button cell
17) RTC interruption configuration
- PI-RUN: CM4 will reboot on RTC interruption
- GL-EN: CM4 powerdown on RTC interruption
- D4: D4 pin is triggered on RTC interruption (default)
18) IO-VREF selection
- Set the CM4 IO logic level as 3.3V (default) or 1.8V
19) Fan power supply selection
- Select 12V (default) or 5V power to drive the fan
20) RTC/FAN I2C bus selection
- SDA0/SCL0: I2C-10 is shared with CSI/DSI (default)
- GPIO3/2: I2C-1 is shared with 40-pin header
21) System function configuration
- BT_DIS: Bluetooth disabled, for CM4 with antenna variant ONLY
- WiFi_DIS: WiFi disabled, for CM4 with antenna variant ONLY
- WP_DIS: boot mode switch, ONLY be used when NOT booted from eMMC or SD card
22) RTL8153
- USB Gigabit Ethernet chip
CM4 Socket | Suitable for all variants of Compute Module 4 |
Networking | Dual Gigabit Ethernet RJ45 M.2 B KEY, for connecting 5G / 4G module Nano-SIM card slot, supports Nano-SIM card for 5G/4G/3G/2G |
USB | USB 3.2 Gen1 × 2 |
Pin Header | Raspberry Pi 40-pin GPIO header |
Display | MIPI DSI port (15pin 1.0mm FPC connector) |
Camera | MIPI CSI-2 port × 2 (15pin 1.0mm FPC connector) |
Video | HDMI × 2, supports 4K 30fps output |
RTC | Real-time clock with a battery socket and ability to wake CM4 |
Storagre | MicroSD card socket for Compute Module 4 Lite (without eMMC) variants |
Fan Header | 5V/12V (12V by default), allows speed adjustment and measurement |
Power Input | 5V/2.5A |
Dimensions | 99.6 × 87.0mm |
CM4, power supply and M.2 B-key communication module not included