Raspberry Pi Compute Module PoE 4G Board User Guide


Compute Module PoE 4G Board is an industrial-grade host based on the Raspberry Pi compute module. It supports global communication 4G/3G/2G cellular, PoE Ethernet and WiFi and other network communication modes, and expands a variety of industrial isolated interface resources (such as CAN, RS485, RS232, ADC, GPIO, etc.), which is suitable for various industrial IoT applications.


  • Compatible with Raspberry Pi CM3 / CM3 Lite / CM3+ / CM3+ Lite.
  • Onboard SIM7600X module, support 4G/3G/2G global communication (via onboard SIM card slot)
  • Onboard 10/100M auto-negotiation Ethernet port, supports power via the PoE Ethernet interface(RJ45 interface specification)
  • Supports 2.4GHz WiFi wireless connection.
  • 1 × ADC port, screw terminal, isolated, 16-bit, 860SPS.
  • 4 × GPIO ports, screw terminal, isolated, 2 channels as isolated input, 2 channels as isolated output.
  • 1 × RS232 port, DR9 (male), isolated, with TVS protection, anti-surge, and ESD protection.
  • 1 × RS485 port, screw terminal, isolated, with 600W lightning-proof, anti-surge, and 15KV ESD protection, allows using 120Ω terminal resistor.
  • 1 × CAN interface, screw terminal, isolated, lightning-proof, and ESD protection, allows using 120Ω terminal resistor.
  • Onboard USB HUB, allows connecting more USB devices
  • Onboard USB TO UART, for serial debugging
  • Audio interface: 1 ×3.5mm audio jack, stereo output
  • Speaker interface: 1 ×4PIN speaker connector, supports 8Ω 5W speaker
  • Onboard external RTC chip, with temperature sensor inside
  • 2 × CSI camera interfaces,allows connecting the cameras.
  • Onboard HDMI / DSI interfaces for connecting displays
  • Industrial-grade aluminum alloy case

Onboard resources

1: Compute Module socket for connecting Raspberry Pi Compute Module CM3 / CM3 Lite / CM3+ / CM3+ Lite

2: PoE enabled Ethernet port: 10/100M auto-negotiation, with PoE Power Over Ethernet features

3: USB Ports: allows connecting the USB device

4: HDMI Ports: allows connecting the HDMI device.

5: 3.5mm audio jack

6: Dual-channels speaker connector:allows connecting the speaker directly.

7: USB SLAVE: allows you to burn system image into CM3 or CM3+

8: USB TO UART for serial debugging

9: DC power input: supports 7-36V power supply

10: DSI display port for connecting Raspberry Pi LCD

11: CSI camera port for connecting Raspberry Pi Camera

12: RTC real time clock battery holder supports rechargeable Li cell ML1220

13: 4G antenna connector

14: WiFi antenna connector

15: Isolated ADC: ADC differential input

16: Isolated 5V power: max output current 100mA

17: Isolated GPIO: allows controlling / detecting devices via GPIO

18: Isolated RS485 interface: interface communication via RS485

19: Isolated CAN interface: interface communication via CAN

20: Isolated RS232 interface: interface communication via RS232

21: SIM slot: supports standard 4G/3G/2G SIM card

22: Micro SD card slot: insert a Micro SD card with pre-burnt system, to start up CM3 Lite / CM3+ Lite variant

23: SIM7600G-H communication module: supports 4G/3G/2G communication and GNSS function

24: WiFi module: supports 2.4G WiFi connection

25: Buzzer

26: DS3231: high precision RTC chip, I2C bus

27: Raspberry Pi indicator

ACT: Raspberry Pi operating status indicator
PWR: Raspberry Pi power indicator

28: SIM7600G-H indicator

NET: network indicator
STA: status indicator

29: User LED: handy for I/O output testing, or program running status monitoring

30: Serial port connection setting

31: Volume adjustment

32: PoE configuration

DIS: disable PoE
EN: enable PoE

33: ADC chip power supply selection

34: RS485 CAN terminal resistor selection

Price: $129.89
Part Number: Compute Module PoE 4G Board
Brand: Spotpear
SKU: 0101120