Raspberry Pi Compute Module 4 I/O Dual Gigabit Ethernet 5G/4G Board (20885)

The Raspberry Pi Compute Module 4 I/O Dual Gigabit Ethernet 5G/4G Board (20885 ) is a base board with two network connectors and 5G/4G communication support for the Raspberry Pi 4 compute module. It is suitable for both evaluating the Raspberry Pi CM4 and integrating it into end products. It is compatible with communication modules with M.2 B KEY interface (recommended: SIM7600G-H-M.2, SIM8202G-M2, SIM8200EA-M2).

Main features:

• CM4 SOCKET is suitable for all Compute Module 4 variants
• Dual Gigabit Ethernet RJ45
• M.2 B KEY for connecting a 5G/4G module
• Nano-SIM card slot, supports standard Nano-SIM card for 5G/4G/3G/2G communication
• USB USB 3.2 Gen1 × 2
• Raspberry Pi 40PIN GPIO connector
• MIPI DSI display port (15-pin FPC 1.0 mm connector)
• MIPI CSI-2 × 2 camera port (15-pin FPC 1.0 mm connector)
• VIDEO: HDMI × 2, supports 4K 30fps output
• RTC real-time clock with battery connector and wake-up capability of the computing module 4
• MicroSD memory card slot for Compute Module 4 Lite variants (without eMMC)
• FAN 5V/12V (12V by default), allows you to adjust and measure the speed
• 5V/2.5A POWER INPUT
• Dimensions 99.6 × 87.0 mm

Standard CM4 connector and Raspberry Pi 40PIN GPIO connector with color coding. Suitable for 4 Lite computing module/ EMMC series module

Wide range of interfaces.

Board elements:

1. CM4 connector fits all Compute Module 4 variants
2. 40-pin GPIO connector for connection to expansion cards
3. Dual Gigabit 10/100/1000M compliant RJ45 Ethernet
   ETHERNET 0: original ETH CM4
   ETHERNET 1: USB-extended ETH
4. 2x HDMI connector, supports 4K 30fps output
5. 2 x USB 3.2 Gen1 for connecting various USB devices
6. PWR and USB. DC power supply or USB port for programming
7. Connector for connecting a cooling fan, allows you to adjust and measure the speed
8. 2 MIPI CSI camera ports
9. 4G/5G module status indicator
   STA red: module power-on indicator
   NET green: module operating status indicator
10. SM4 status indicator
    PWR red: Raspberry Pi power indicator
    ACT green: Raspberry Pi operating status indicator
11. boot selection
    ON: The CM4 will boot from the USB-C interface.
    OFF: The CM4 will boot from an eMMC or Micro SD card.
12. MIPI DSI display port
13. M.2 B KEY supports 4G/5G modules or other communication modules that use the USB channel
14. Nano-SIM card slot supports a standard Nano-SIM card for 5G/4G/3G/2G communication
15. Micro SD card slot with pre-recorded image (Lite version ONLY)
16. Real-time clock battery holder (supports CR2032 batteries)
17. RTC interrupt configuration
    PI-RUN: CM4 will reboot on RTC interrupt
    GL-EN: Disable CM4 on RTC interrupt
    D4: D4 pin is triggered on RTC interrupt (default)
18. IO-VREF selection: Set the CM4 logic IO level to 3.3V (default) or 1.8V.
19. FAN Power Supply Selection (select 12 V (default) or 5 V for fan drive).
20. Selecting the RTC/FAN I2C bus
    SDA0/SCL0: I2C-10 is used in conjunction with CSI/DSI (default)
    GPIO3/2: I2C-1 is used in conjunction with the 40PIN header
21. Configuration of system functions
    BT_DIS: Bluetooth disabled, ONLY for CM4 with antenna option
    WiFi_DIS: WiFi disabled, ONLY for CM4 with antenna option
    WP_DIS: Boot mode switch, used ONLY if NOT booting from eMMC or SD card
22. RTL8153 Gigabit Ethernet USB chip

Overall dimensions: 87mm x 99.6mm

Information for developers (Wiki): CM4-DUAL-ETH-4G/5G-BASE

Scope of delivery:

1. CM4-DUAL-ETH-4G-5G-BASE x1 board

Weight: 0.076 kg