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Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
$3,439.60
$1,754.2049% off
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AR531G-U-D-H
AR531G-U-D-H,2 DC,6 FE,2 GE,3G,2 RS485,2 DI
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
AR531G-U-D-H is a high-performance enterprise router featuring a modular architecture with robust power options including redundant AC supplies. It delivers multiple WAN and LAN interfaces along with integrated voice, video, and WAN optimization services to support critical network applications.
AR531G-U-D-H supports advanced VPN features such as IPSec and SSL VPN to ensure secure remote connectivity while providing high throughput and redundancy for reliable performance. Its modular capabilities and tailored design make it ideal for enterprise deployments and demanding business use cases.
AR531G-U-D-H price is $1,754.20, a 49% saving from the Huawei list price of $3,439.60. AR531G-U-D-H is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AR531G-U-D-H for additional pricing. Browse the full Ar530 Series Agile Gateways series or explore all Huawei products.
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| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC, CE | FCC / CE / RoHS | FCC / CE / RoHS | IEEE 802.3, FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16 inches | 16 inches | 17 inches | 15 inches | 16 inches |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | SFP+ | NIM | NIM | SM-X, SFP+ | NIM |
| Features | VPN, Firewall, IPv6 Compatible | VPN / IPv6 Compatible / Firewall / MPLS | VPN / Firewall / IPv6 Compatible | VPN, IPv6 Compatible, Firewall, MPLS | VPN, IPv6 Compatible, Firewall, MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 512 MB | 256 MB | 512 MB | 512 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 4 inches | 1.75 inches | 1.75 inches | 2.2 inches | 2 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP | RJ-45, SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 1 GB | 4 GB | 1 GB | 4 GB | 2 GB |
| Modular Slots Available | 2 Slots | 3+ Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6, MPLS | IPv4 / IPv6 / MPLS | IPv4, IPv6, MPLS | IPv4, IPv6 |
| Power | 95 Watt | 220W | 65W | 200 W | 150W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant |
| Product Name | AR531G-U-D-H Enterprise Router | AR532 Enterprise Modular Router | AR531-2C-H Integrated Services Router | AR531GR-U-H Enterprise Modular Router | AR531GPe-U-H |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTP, HTTPS, SNMP | CLI / SNMP / REST API / Web GUI | SNMP / SSH / Telnet | Telnet, SSH, SNMP | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / Static Routing |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | Yes | Yes | Yes |
| Throughput Capacity | 1 Gbps | 5 Gbps | 1 Gbps | 10 Gbps | 1 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15 lbs | 25 lbs | 8 lbs | 12 lbs | 15 lbs |
| Width | 17 inches | 19 inches | 19 inches | 17.5 inches | 19 inches |
| Wireless Support | No | No | No | No | No |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
AR531G-U-D-H delivers reliable dual DC power support for industrial networks.
Stable 3G connectivity with predictable uptime.
Professional rugged router for automation environments.
Consistent performance under demanding conditions.
Dependable hardware with flexible connectivity.
Strong industrial routing reliability.
The AR531G-U-D-H is a rugged industrial 3G router featuring 2 DC power inputs, 6 Fast Ethernet ports, 2 Gigabit Ethernet ports, 3G cellular connectivity, 2 RS-485 ports, and 2 digital inputs.
The router provides 6 Fast Ethernet (10/100 Mbps) ports, 2 Gigabit Ethernet (10/100/1000 Mbps) ports, and 3G cellular connectivity for versatile network deployments.
Yes, the AR531G-U-D-H supports 3G HSPA+ cellular networks for reliable wireless WAN failover and remote site access.
It offers 2 RS-485 serial ports supporting Modbus RTU/ASCII and custom serial data transmission.
The router includes 2 opto-isolated digital inputs for monitoring external dry contact signals or alarm conditions.
It supports dual DC power inputs from 9 to 36 VDC, offering redundant power protection for industrial environments.
Yes, the compact housing of the AR531G-U-D-H is designed for standard DIN rail mounting in control cabinets.
It operates reliably in industrial temperature ranges from -40 °C to 75 °C for harsh environment applications.
The router includes hardware-based VPN (IPSec/OpenVPN), firewall, NAT, and access control lists for secure data communication.
Configuration is simplified via the web-based GUI or CLI over SSH/Telnet, with step-by-step wizards for WAN, LAN, and VPN setup.
Yes, remote management is supported via SNMP, TR-069, and proprietary cloud management platforms for real-time monitoring.
Ideal for SCADA, IIoT, smart grid, transportation, and remote site connectivity requiring robust cellular and Ethernet networking.
Yes, it supports IPSec and OpenVPN tunneling for secure site-to-site and remote access connections.
The AR531G-U-D-H comes with a standard 2-year warranty covering defects in materials and workmanship.
Spare parts, antennas, and mounting kits can be ordered through our authorized distribution network or directly via our e-commerce portal.
Yes, it supports SNMP v1/v2c/v3 for comprehensive network performance and event monitoring.