Waveshare Industrial IoT Wireless Expansion Module for Raspberry Pi CM4 About The Protuct This is an industrial expansion module based on Raspberry Pi CM4, which features common interfaces such as Gigabit Ethernet, HDMI, USB, and GPIO, allows additional 4G 5G LoRa wireless communication modules to be connected via the M.2 or Mini-PCIe socket. There are also industrial interfacesresources including RS485, CAN, and RTC. Combined with the industrial rail-mount protection case, the module is an ideal choice for building IoT gateway, 4G5G router, IoT data acquisition, or even the PLC device in industrial automatic control system, and more. Specifications 1. CM4 socket: For all variants of Compute Module 4 2. Networking: - Gigabit Ethernet RJ45 - M.2 B KEY Mini-PCIe (via adapter), for connecting 5G 4G LoRa wireless module - Nano-SIM card slot, support standard Nano-SIM card for 5G4G3G2G communication 3. USB: USB 2.0 x 3 4. PIN header: Non-isolated RS485 x 2, non-isolated CAN x 1, some GPIO pins 5. Camera: MIPI CSI-2 x 1 (15pin 1.0mm FPC connector) 6. Video: HDMI x 1, support 4K 30fps output 7. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 8. Storage: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 9. Fan header: 5V12V, allows speed adjustment and measurement 10. Power input: 5V or 7~36V 11. Dimensions: 145 x 90 x 40mm Package List 1. CM4-IO-WIRELESS-BASE x 1 2. PCIe to 4GLoRa adapter x 1 3. Screwdriver x 1 4. Screws pack x 1 5. 12V 2A power adapter x 1