Remote and distributed outdoor IIoT applications, such as renewable energy, heavy industries, and oil & gas, require reliable computer platforms with uninterrupted wireless connectivity from Wi-Fi, LTE, or 5G to seamlessly collect and transfer edge data to the cloud. Moxa UC-3400A Series and UC-4400A Series computers are ideal for these applications with their wide variety of wireless connectivity options, compact size for cabinet installation, wide-operating temperature range, and hazardous-location certifications.
Moxa enhances its extensive Arm-based computer family with the UC-3400A and UC-4400A computers that deliver robust 64-bit quad-core performance while ensuring strict compliance with IEC 62443-4-2 SL2 requirements. These are advanced computer series in the Moxa Arm-based computer family that offer enhanced performance and reliable wireless capabilities to facilitate transitions to modern wireless technologies in OT environments. The UC-3400A and UC-4400A computers reduce maintenance efforts and feature value-added software that supports customer-specific applications across various computer interfaces. This streamlined approach boosts automation productivity and simplifies operations.
Features

Reliability
- 5-year warranty
- Moxa Industrial Linux with 10-year long-term support
- Diverse industrial certifications (CID2/ATEX/CE/FCC/UL)
- Thermal-in design with dual wireless capabilities
- Redundant network and system design

Security
- IEC 62443-4-2 SL2 compliant
- Chain-of-trust Secure Boot authentication during bootup and updates
- Security Hardening Guide and tools available

Easy Development and Management
- Moxa Swift enables easy provisioning and rapid deployment for large-scale projects
- Moxa Computer Interface Manager (MCIM) tool for unified cross-product I/O management
- One-step backup and recovery tool
The Power of Wireless Connectivity At the
Edge
Wireless capabilities enable easy deployment of edge computers in various locations, eliminating wiring constraints and enhancing data-aggregation capabilities. By transitioning OT environments to modern wireless technologies, organizations can benefit from simplified integration and reduced installation costs. Additionally, remote-management capabilities can enhance the efficiency of industrial automation systems.
Wireless Computer As an Edge Gateway
Optimize OT Infrastructure With Reliable and Secure Wireless Computers
Wireless Technologies Bring Efficiency to Data Transmission in Harsh Environments
The UC-3400A and UC-4400A Series computers feature dual wireless capabilities for 4G/5G and Wi-Fi 6/6E, ensuring reliable operations in harsh environments. Leveraging Qualcomm's QXDM, Moxa offers advanced log analysis and troubleshooting support for enhancing wireless connection quality through log analysis, troubleshooting, and protocol decoding.
Moxa Connection Manager Automatic Network Failover Ensures Continuous
Connectivity
Moxa Connection Manager (MCM) allows for the creation of multiple profiles for network interfaces. When a connection fails, MCM can automatically failover to a connection with the highest priority based on your profile settings and switch back when the connection is restored. The user-friendly GUI helps set up device connections in just a few clicks.
Streamline Large-scale Deployment with Effortless Provisioning
Moxa Swift offers an intuitive web GUI for configuring and provisioning supported devices in batches. Use the tool to create a golden sample of the configuration on one computer and used this backed-up configuration settings to batch provision multiple industrial computers.
64-bit Arm-based Computers With 5G/LTE/Wi-Fi 6 Connectivity
Series | UC-4400A
Series![]() |
|
Industrial 4G and Wi-Fi 6 computers | Industrial 5G and Wi-Fi 6E computers | |
CPU | Armv8 Cortex-A53 quad-core 1.4 GHz | Armv8 Cortex-A53 quad-core 1.6 GHz |
Memory | 4GB DDR4 | |
OS | Moxa Industrial Linux 3 (Debian 11, kernel
5.10) Moxa Industrial Linux 4 (Debian 13, kernel 6.1) in late 2025 |
|
Security Module | TPM 2.0 (built-in) | |
Storage Slots | eMMC (16 GB preinstalled) microSD |
|
Interface | 2 LAN, 2 serial, and up to 2 CAN ports, USB 2.0 port | 2 LAN, up to 4 serial (two with 2-Kv isolation), up to 2 CAN ports, 4 DIs and 4 DOs, USB 2.0 port |
Wireless | LTE/4G , BT and Wi-Fi 6 support (model with built-in LTE and Wi-Fi 6) |
LTE/5G and Wi-Fi 6E/BT support (model with built-in 5G) |
Power Input | 9 to 48 VDC | Dual power inputs, 9 to 48 VDC |
Wide Temperature | -40 to 70°C | -40 to 75°C (Non-wireless) -40 to 70°C (with wireless) |
Carrier Approval | AT&T, Verizon* * Certified by Q1 2025 |
AT&T, Verizon* * Certified by Q2 2025 |
Safety/EMC/RF and Hazardous Location Certifications | CE, FCC, IC, UL, UKCA, NCC, RCM, RNZ, ATEX*, CID2* * Certified by Q2 2025 |
CE, FCC, UL, BSMI, UKCA, RCM, KC, IC (Non-wireless models) CE, FCC, UL, UKCA, RCM, KC, IC (4G models) CE, FCC, UL, UKCA, RCM, R-NZ, NCC*, IC (5G models) * Certified by Q2 2025 |
64-bit Arm-based Computers With 5G/LTE/Wi-Fi 6 Connectivity
Increase Industrial Productivity With Real-time Machine Health
Monitoring
Reliable, low-power edge computers are essential for machine health monitoring in harsh environments, as
they collect sensor data and transmit it to the cloud for remote monitoring.
Efficient Monitoring for Semiconductor Manufacturing With 5G-ready Arm
Computers
An all-in-one solution with 5G connectivity and optional Wi-Fi for backup, reduces the need for multiple
devices and saves cost and space.
Resources & Downloads
- Expand Your IIoT Applications: Learn how Moxa’s rugged Arm-based IIoT gateways enable uninterrupted connectivity.
- UC Series Selection Guide: A quick guide to choosing the right Moxa IIoT gateway for your applications.
- Efficient Edge-to-cloud Connectivity: Learn how Moxa UC-1200A and UC-2200A computers enable flexible system integration with their compact design and diverse I/O interfaces.
- Edge Gateways for Distributed Energy Resources: Discover how Moxa Arm-based computers can help build secure and reliable IIoT systems for distributed energy resources.