
Description:
The Waveshare Industrial IoT Wireless Expansion Module for Raspberry Pi Compute Module 4 (CM4) is a powerful industrial-grade development board designed for advanced IoT, automation, and edge computing applications. Equipped with high-speed interfaces including Gigabit Ethernet, HDMI, USB, and GPIO, this expansion module enables seamless integration into industrial communication and control systems.
Supporting 4G, 5G, and LoRa wireless communication modules through M.2 and Mini-PCIe slots, it offers flexible connectivity options for remote monitoring, data transmission, and industrial networking. Built-in industrial interfaces such as RS485, CAN Bus, and RTC (Real-Time Clock) make it ideal for smart factories, automation projects, and industrial IoT deployments.
Housed in a durable DIN rail-mount industrial enclosure, the module provides reliable operation in demanding environments. Whether you're building an IoT gateway, 4G/5G industrial router, data acquisition system, PLC controller, or industrial automation solution, this board delivers the performance, flexibility, and reliability required for modern industrial applications.

Specifications:
- CM4 Socket: suitable for all variants of the compute module 4/Dual Gigabit Ethernet RJ45
- Networking: M.2 B KEY / Mini-PCIe (via adapter), for connecting 5G / 4G / LoRa wireless module Nano-SIM card slot supports standard Nano-SIM card for 5G/4G/3G/2G communication
- USB: 2.0 × 3
- Pin Header: Non-isolated RS485 × 2, Non-isolated CAN × 1, Partial GPIO headers
- Camera: MIPI CSI-2 × 1 (15pin 1.0mm FPC connector)
- Video: HDMI × 1, supports 4K 30fps output
- RTC: Real-time clock with a battery socket and the ability to wake Compute Module 4
- Storage: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
- Fan Header: 5V/12V, allows speed adjustment and measurement
- Power Input: 5V or 7~36V
Features:
- Raspberry Pi CM4 Compatible is Designed for Raspberry Pi Compute Module 4.
- 4G/5G/LoRa Ready: Supports advanced wireless communication modules.
- RS485 CAN Bus Support Reliable industrial networking and automation.
- Gigabit Ethernet Port High-speed and stable network connectivity.
- M.2 Mini-PCIe Expansion Flexible support for wireless and cellular modules.
- HDMI, USB, and GPIO Interfaces Easy integration with displays and peripherals.
- Built-in RTC Accurate timekeeping for industrial applications.
- DIN Rail Mount Design Quick installation in control cabinets.
- IoT Gateway PLC Ready: Ideal for automation and edge computing.
- Industrial-Grade Construction Built for reliable 24/7 operation.
Package Included:
1 x Waveshare Industrial IoT Wireless Expansion Module