Huawei NetEngine AR101G‑U Enterprise 3G Cellular Branch Router Full Product Description

1. Short Overview

Naming & Variant Breakdown

• AR101G‑U: 3G HSPA+ cellular version, 1×GE fixed WAN, 4×GE multi‑purpose LAN/WAN ports, built‑in single‑SIM 3G UMTS/HSPA+ modem, no Wi‑Fi.
• AR101: Wired‑only model without cellular and Wi‑Fi.
• AR101W: Dual‑band Wi‑Fi model without cellular modem.
• AR101GW‑Lc: 4G LTE‑A + dual‑band Wi‑Fi cellular router.

Difference vs AR500 industrial gateway series: AR101G‑U is commercial office‑grade device,non‑industrial. Operating temperature 0 °C ~ +45 °C, no DIN‑rail mounting, no DI/DO alarm terminals, no isolated industrial serial ports.

Core Differentiators

1. Fan‑less natural‑cooling compact desktop form‑factor, suitable for office desktop or cabinet shelf deployment.
2. Hybrid WAN access: Gigabit Ethernet WAN and built‑in HSPA+ 3G cellular backup; automatic link fail‑over ensures network continuity when wired link fails.
3. Full‑gigabit port design: 1×GE fixed WAN plus 4×reconfigurable multi‑purpose GE ports, supporting multi‑WAN redundancy.
4. Converged multi‑services: routing, switching, firewall, IPsec/GRE/L2TP VPN, QoS, built‑in lightweight AC managing up to 4 Huawei Fit APs.
5. Simple deployment via Web GUI, CLI console and USB zero‑touch configuration; supports centralized monitoring and remote firmware upgrade via eSight / Huawei cloud management for mass branch roll‑out.

2. Hardware Interface & Physical Specifications

Core Hardware

• Processor: Dual‑core @900 MHz
• Memory: 256 MB RAM; 256 MB Flash
• Cooling: Fan‑less natural convection cooling
• Cellular: Built‑in UMTS/HSPA+ 3G modem, single‑SIM slot, one SMA 3G antenna interface; supports WCDMA / HSPA+ / GSM/EDGE/GPRS
• Maximum recommended concurrent users: 10‑50 terminals

Fixed Interfaces

1. Ethernet
   • 1 × GE 10/100/1000 M RJ45 fixed WAN port
   • 4 × GE 10/100/1000 M RJ45 multi‑purpose ports (configurable as LAN or WAN)
2. Management & Cellular
   • 1 × RJ45 Console port for local CLI debugging
   • 1 × USB 2.0 Type‑A host port for USB zero‑touch provisioning, configuration backup‑restore and firmware upgrade
   • 1 × SMA antenna connector for 3G cellular
   • 1 × Standard SIM card slot
3. Buttons: RESET button; short‑press for reboot; long‑press ≥5 s to restore factory default configuration
4. Power: External AC‑DC power adapter jack

Physical & Power Parameters

• Dimensions (H × W × D): 30 mm × 230 mm × 130 mm
• Weight: approx 0.6 kg
• Power input: External AC‑DC adapter, AC 100‑240 V, 50/60 Hz
• Max power consumption: 14 W
• Installation: Desktop placement or shelf‑mount; DIN‑rail mounting is not supported
• Operating environment
  • Operating temperature: 0 °C ~ +45 °C
  • Storage temperature: −40 °C ~ +70 °C
  • Humidity: 5%‑95% non‑condensing
  • Altitude: < 5000 m
  • Protection rating: Ordinary office‑grade, non‑IP‑rated

3. Software Feature Suite (VRP V200R007 / V200R008 and later)

Routing & Multi‑WAN Connectivity

• IPv4 / IPv6 dual‑stack routing: Static route, RIP, OSPF, policy‑based routing (PBR)
• WAN access: Ethernet PPPoE client; 3G UMTS/HSPA+ cellular dial‑up; wired‑3G automatic link backup and fail‑over
• NAT: Static NAT, PAT, NAT server for branch internet access
• Layer‑2 features: 802.1Q VLAN, port isolation, STP/RSTP/MSTP

Integrated Security Features

• Zone‑based stateful firewall, ACL access‑control list
• VPN suite: IPsec site‑to‑site VPN, GRE VPN, L2TP client for secure encrypted inter‑branch transmission over wired or 3G cellular link
• AAA authentication: Local user database, RADIUS, HWTACACS+ for device and user access authentication
• Application control: URL filtering, SAC application identification to restrict IM and P2P services
• Anti‑attack functions: URPF, CPCAR, ARP anti‑attack, ICMP attack defense

QoS & Wireless Controller

• QoS: Traffic policing, traffic shaping, queue scheduling (PQ, CBWFQ), DSCP priority mapping
• Built‑in lightweight AC: Manage up to 4 Huawei Fit APs, completes WLAN service configuration and AP lifecycle management

Management & O&M

• Local management: CLI via Console port, embedded Web‑UI
• Remote management: SSHv2, HTTPS, SNMPv2c/v3, Syslog alarm reporting
• Centralized management: Batch configuration, real‑time status monitoring and remote firmware upgrade via eSight or Huawei cloud‑based network management
• USB‑assisted zero‑touch deployment for mass branch roll‑out
• NTP time synchronization; 3G link status & signal strength monitoring

4. Typical Deployment Scenarios

1. Retail & Chain‑Store Branch Gateway: Deployed at retail stores without stable wired broadband; uses 3G cellular as primary or backup WAN link, connects securely back to headquarters via IPsec VPN, supports USB zero‑touch fast deployment and unified remote O&M.
2. Temporary Small‑Site Office Gateway: Suitable for temporary project offices, pop‑up shops, providing internet access and encrypted VPN backhaul via 3G cellular network.
3. Small Remote Branch Office: Acts as wired‑3G hybrid branch gateway; 3G serves as backup link to guarantee network connectivity when main broadband fails.
4. Small‑size Business Access Gateway: For clinics and small workshops where wired network is difficult to deploy, delivers low‑cost converged routing‑security access with cellular wireless backup.

5. Standard Package Contents of AR101G‑U

Separately‑Sold Optional Accessories

• 3G SMA cellular antenna
• Additional CAT5e/CAT6 Ethernet cables
• Huawei Fit AP access points (managed by built‑in AC function)

Software Licensing Information

Short Commercial Catalog Summary