ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
Waveshare Industrial IoT Wireless Expansion Module Compatible with Raspberry Pi CM4
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The Waveshare Industrial IoT Wireless Expansion Module is a robust, purpose-built carrier board designed to transform the Raspberry Pi Compute Module 4 (CM4) into a powerful industrial IoT gateway or edge computing device. At its core, this wireless expansion module bridges the gap between accessible single-board computing and rugged industrial automation by providing critical, hardened connectivity options.
It features dedicated M.2 and Mini-PCIe slots, allowing for the seamless integration of 4G/5G connectivity or LoRaWAN modules to ensure reliable, remote data acquisition and telemetry even in off-grid locations. Equipped with ruggedized RS485 and CAN bus interfaces, Gigabit Ethernet, and a wide 7V–36V DC power input, it guarantees stable communication across demanding factory floors or outdoor installations.
Housed in a durable, DIN rail mount ABS protection case, this all-in-one IoT router solution serves as the ideal, scalable foundation for building secure and highly adaptable smart factory, PLC, or remote monitoring systems.
| Specification | Details |
|---|---|
| CM4 Socket | Suitable for all variants of Compute Module 4 |
| Networking | Gigabit Ethernet RJ45 |
| Wireless Interface | M.2 B KEY / Mini-PCIe (via adapter), for connecting 5G / 4G / LoRa wireless module |
| SIM Card Slot | Nano-SIM card slot, supports standard Nano-SIM card for 5G/4G/3G/2G communication |
| USB | USB 2.0 × 3 |
| Pin Header | Non-isolated RS485 × 2, Non-isolated CAN × 1, Partial GPIO pins |
| Camera | MIPI CSI-2 × 1 (15pin 1.0mm FPC connector) |
| Video | HDMI × 1, supports 4K 30fps output |
| RTC | Real-time clock with battery socket and 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 |
| Dimensions | 145 × 90 × 40mm |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.