Huawei NetEngine AR502EGW‑L Industrial LTE‑Wi‑Fi IoT Gateway Full Product Description

1. Short Overview

Naming & Variant Breakdown

• AR502EGW‑L: Standard model with built‑in LTE‑A FDD cellular modem + 802.11b/g/n 2.4 GHz WLAN, dual‑SIM single‑standby, no ZigBee. Regional band variants: AR502EGW‑La, AR502EGW‑Lj for different market frequency requirements.

Difference vs AR502EG‑L: AR502EGW‑L adds integrated 2.4 GHz Wi‑Fi for local short‑range wireless terminal access; hardware size, power consumption and industrial environment indicators are consistent with AR502EG‑L.

It is IP30 grade for cabinet‑inside deployment, not outdoor IP65.

Core Differentiators

1. Fan‑free passive cooling industrial hardware, −25 °C ~ +70 °C wide‑temperature operation, IP30 protection, industrial‑grade EMC performance for cabinet‑based field deploymentHuawei Car....
2. Dual‑wireless convergence: LTE‑A 4G long‑distance backhaul plus 2.4 GHz Wi‑Fi for local on‑site IoT device wireless access. Dual‑SIM single‑standby for cellular link automatic backup.
3. Rich industrial interfaces: 2×GE Ethernet, isolated RS232, isolated RS485/422, 6‑channel DI/DO digital alarm input/output for sensor, RTU and field signal acquisition & control.
4. Compact cabinet‑type form‑factor, supports DIN‑rail mounting or wall‑mount deployment for power cabinets, roadside equipment cabinets and remote monitoring stations.
5. Supports IPsec encrypted transmission, firewall, ACL, remote O&M and batch deployment via eSight management platform.

2. Hardware Interface & Physical Specifications

Core Hardware

• Processor: Dual‑core ARM Cortex‑A9 @700 MHzHuawei Car...
• Memory: 512 MB DDR3 RAM; 512 MB Flash
• Cooling: Fan‑free passive heat‑dissipation metal die‑cast enclosure
• Cellular: Built‑in LTE‑A FDD industrial module; two SMA LTE antenna interfaces; dual Micro‑SIM slots (SIM1 primary, SIM2 backup, single‑standby)
• WLAN: Integrated 802.11b/g/n 2.4 GHz Wi‑Fi, one SMA Wi‑Fi antenna interface

Fixed Interfaces

1. Ethernet:2 × GE 10/100/1000 M auto‑sensing RJ45 ports, configurable as WAN or LAN.
2. Industrial Serial
   • 1 × Isolated RS232 DB9 port, switchable between Console debugging mode and serial‑device mode via hardware Config button.
   • 1 × Isolated RS485/422 terminal‑block for connecting meters, RTUs and industrial sensors.
3. Alarm I/O: 6‑channel DI/DO terminal‑block (LVTTL level) for site status collection and relay control output.
4. Other interfaces
   • 1 × USB2.0 Type‑A for configuration import‑export and local file storage.
   • Config button: short‑press toggles RS232 working mode; long‑press ≥5 s restores factory settings.
   • Ground terminal for EMC and lightning protection.
   • 4‑pin DC power terminal block.

Physical & Power Parameters

• Dimensions (H × W × D): 44 mm × 150 mm × 100 mm
• Weight: approx 0.85 kg
• Power input: Wide‑voltage DC 8‑36 VDC, rated 12 V / 24 VDC; maximum power consumption 8 W (power adapter sold separately)
• Installation: DIN‑rail mounting kit (optional) or wall‑mount brackets.
• Operating environment
  • Operating temperature: −25 °C ~ +65 °C under maximum LTE transmit power; −25 °C ~ +70 °C typical working status
  • Storage temperature: −40 °C ~ +85 °C
  • Humidity: 5%‑95% non‑condensing
  • Protection rating: IP30
  • EMC: Complies with IEC61850‑3, IEEE1613 for power‑industry anti‑interference requirements.

3. Software Feature Suite (V200R008C20 and later)

Routing & Multi‑WAN Connectivity

• IPv4 / IPv6 dual‑stack routing: Static route, RIP, OSPF.
• WAN access: Ethernet PPPoE dial‑up, LTE cellular dial‑up; dual‑SIM cellular link backup and automatic switch‑over.
• Local wireless: 2.4 GHz Wi‑Fi AP mode for local IoT terminal access, supports SSID isolation and Wi‑Fi access authentication.
• NAT: Static NAT, PAT address translation for local wired and Wi‑Fi IoT terminals.
• Layer‑2 features: 802.1Q VLAN, port isolation.

Integrated Security Features

• Zone‑based stateful firewall, ACL access‑control list.
• VPN suite: IPsec site‑to‑site VPN to realize encrypted transmission of industrial data over public 4G cellular network.
• AAA authentication: Local user database, RADIUS for device management access authentication.
• Anti‑attack functions: URPF, CPCAR to mitigate common network attacks.

Management & O&M

• Local management: CLI via Console port, embedded local Web‑UI.
• Remote management: SSHv2, HTTPS, SNMPv2c/v3, Syslog alarm reporting.
• Centralized management: Batch configuration, status monitoring and remote firmware upgrade via Huawei eSight platform.
• USB‑assisted deployment: Configuration backup‑restore and batch upgrade by USB flash‑disk.
• Supports LTE over‑the‑air remote firmware upgrade.

4. Typical Deployment Scenarios

1. Smart Power Distribution Cabinet Gateway: Installed in distribution cabinets, collects meter and RTU data over RS485; provides local Wi‑Fi for on‑site maintenance terminals, and transmits encrypted data back to power control centre through LTE IPsec VPN.
2. Unattended Environmental‑Monitoring Sites: Collects sensor data via serial port and DI/DO; uses LTE for remote backhaul while offering local Wi‑Fi for on‑site inspection personnel access.
3. Smart Transportation Road‑side Cabinets: Deployed beside road facilities, connects roadside sensors, provides 4G long‑distance backhaul and short‑range Wi‑Fi local wireless access.
4. Distributed Industrial Field Sites: Applied to oil‑field peripheral monitoring and water‑conservancy stations, provides hybrid wired / Wi‑Fi / LTE multi‑mode network access for field IoT terminals.

5. Standard Package Contents of AR502EGW‑L

Separately‑Sold Optional Accessories

• LTE SMA high‑gain antennas
• Wi‑Fi 2.4 GHz SMA antennas
• Industrial DC power adapter (12 V / 24 V)
• DIN‑rail mounting kit
• Serial‑port DB9 connecting cables

Software Licensing Information

Short Commercial Catalog Summary