ALPON X4: A Fanless Raspberry Pi CM4 Edge Computer with 4G LTE Connectivity

ALPON X4 is an industrial and IoT-oriented edge computer from the Raspberry Pi Compute Module 4 (CM4). It’s used for processing data, remote monitoring, and automation in rugged environments. It utilizes a fanless aluminum housing for passive cooling and increased durability.

It provides multiple connectivity scenarios, such as Ethernet, Wi-Fi, LTE, and eSIM-based network switching for reliable global communication. Security is managed with TPM 2.0 for hardware-assisted encryption and secure communication. Remote device management, firmware updates, monitoring, and bulk provisioning are facilitated through ALPON Cloud integration. The ALPON X4 is appropriate for industrial automation, real-time monitoring systems, and edge AI scenarios, giving a scalable hardware-software platform for connected deployments.

ALPON X4 specifications:

• SoM: Raspberry Pi Compute Module 4 (CM4)
  • SoC: Broadcom BCM2711 quad-core Cortex-A72 @ 1.5GHz
  • GPU: VideoCore VI with OpenGL ES 3.1 and Vulkan 1.0 support
  • VPU:
    • Decode: H.265/HEVC up to 4Kp60, H.264 up to 1080p60
    • Encode: H.264 up to 1080p30
  • Memory: 8GB LPDDR4-3200 (optional 2GB or 4GB)
  • Storage: 32GB eMMC flash (optional 8GB or 16GB)
  • Optional wireless module with dual-band Wi-Fi 5 and Bluetooth 5.0
• Video Output: HDMI
• Connectivity:
  • 1x Gigabit Ethernet RJ45 port
  • 1x 10/100Mbps Ethernet RJ45 port
  • Cat4 LTE support with eSIM auto network switching
  • 4x external antenna connectors
• USB: 2x USB 2.0 Type-A ports
• Security: TPM 2.0 for secure operation
• Expansion: RJ11 GPIO port
• Misc:
  • 2x user push-buttons
  • 4x LEDs
  • Watchdog and Boot-Burn switches
• Power Input:
  • USB-PD via USB Type-C
  • 9-30V DC via screw terminal block
  • Optional PoE+ (IEEE 802.3at)
• Dimensions: 111.16 x 99.9 x 33 mm (without antennas)
• Operating Temperature: -20°C to +60°C
• Certification: CE, FCC, IC, UKCA, ICASA (in progress), RCM, RoHS, WEEE, REACH

The ALPON X4 operates on its own custom release of Raspberry Pi OS Lite 64-bit Bookworm, the IoT and industry-optimized Linux distribution. Built on the Broadcom BCM2711 SoC featuring a quad-core Cortex-A72 processor, it features an OS with core utility tools for cellular communication, network and device control, application and container installation, API integration support, and VPN setup. Emphasis is laid on system integrity to ensure the stability and consistency of operation across connected environments.

Comprehensive documentation is provided for integration and deployment. It talks about PLC integration via Master Unit and MODBUS, system security and container procedures, IoT app development with the use of home automation, SCADA, DAQ, and Thingsboard, media solutions based on PiSignage, as well as energy-efficient power configurations. These guidelines are meant to assist users in optimizing the functionality of the ALPON X4 for industrial and IoT-based deployments.

The ALPON X4 has a variety of optional accessories to enhance its installation and function capabilities. The DIN Rail Mount Kit allows the unit to be mounted securely on DIN rails for tidy industrial installations, while the Wall Mount Kit provides an easy method of mounting the device on workshop or office walls. For outdoor or indoor installation, the IP67 Outdoor Combo Antenna has LTE, Wi-Fi, and GNSS connectivity, with rain resistance but not complete waterproofing. GPIO Expansion modules, cable-with or cable-without options, provide extended input/output capability for customized integrations and high-level applications. The Terminal DC Power Adapter provides secure and stable screw-terminal connections for industrial power demands. In addition, the Port Protection Cover Kit protects ports and connectors from dust to ensure long-term reliability in challenging environments.

Previously, we covered Raspberry Pi CM4-based edge computers such as the Seeed Studio reComputer R11 series, reComputer R100, and Turing Pi 2. Feel free to check them out if you are interested in similar systems.

The ALPON X4 Edge Computer is priced at $550 in its default configuration and includes a USB-PD Type-C power adapter with universal plugs and a screw terminal. Visit the product page for more details, including information about the ALPON Cloud services.

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