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Xiaomi Mi Router 4A Giga Version

Xiaomi Mi Router 4A Giga Version

The Xiaomi Mi Router 4A Giga Version is a budget-friendly dual-band AC1200 router featuring gigabit WAN/LAN ports and four external high-gain antennas. Built for fast, reliable home Wi‑Fi, it supports up to 64 connected devices and includes built-in smart control via the Mi Wi‑Fi app or web UI.

Key Features:

  • Dual-band Wi‑Fi up to ~1167 Mbps (2.4 GHz: 300 Mbps + 5 GHz: 867 Mbps)

  • 1× gigabit WAN and 2× gigabit LAN ports for high-speed wired connections

  • Four external antennas (two 2.4 GHz, two 5 GHz) with high gain for improved coverage

  • Dual‑core Mediatek CPU @ 880 MHz with 128 MB RAM to support heavier home loads

  • Supports up to 64 devices, smart connect, parental controls, and guest networks

  • Passive cooling design and eco-friendly recyclable casing

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  • Specification

  • Overview

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SpecificationDetails
ModelMi Router 4A Giga Version (DVB4305GL)
Wi‑Fi StandardIEEE 802.11a/b/g/n/ac (Dual‑band)
Max Wireless Speed~1,167 Mbps (2.4 GHz: 300 Mbps; 5 GHz: 867 Mbps)
ProcessorMediatek MT7621A dual-core 880 MHz
Memory128 MB RAM, 16 MB Flash
Ethernet Ports1× gigabit WAN + 2× gigabit LAN (Auto MDI/MDIX)
Antennas4 external omni-directional (5 dBi for 2.4 GHz, 6 dBi for 5 GHz)
Coverage AreaUp to ~80 m²
Device CapacityUp to 64 clients
SecurityWPA‑PSK/WPA2‑PSK, SSID hide, access control
ManagementMi Wi‑Fi app or browser UI
CoolingPassive heat dissipation via metal substrate and vents
DimensionsApprox. 202 × 133 × 173 mm
WeightApprox. 300 g

Product Overview

The Xiaomi Mi Router 4A Giga Version combines gigabit wired speeds and dual-band Wi‑Fi into a compact, external-antenna design. It works well for small to medium homes seeking reliable connection for devices like smart TVs, laptops, and streaming clients.

Performance & Throughput

  • Wired LAN reaches ~940 Mbps performance via gigabit ports
  • Wi‑Fi 5 on 5 GHz band provides solid in-room speeds (~180–200 Mbps real-world), though speeds may drop over multiple walls

Smart Home Control

  • Smart Connect consolidates SSIDs and auto-switches frequency bands
  • Mi Wi‑Fi app supports guest network, parental control, and device alerts

Limitations

  • Wi‑Fi range is adequate but not exceptional; multiple walls degrade performance
  • No USB port and setup lacks wall-mount option
  • Stock firmware sometimes results in high latency or reduced wireless speed

Possible Enhancements

  • Flashing community firmware like OpenWRT with hardware flow‑offload can boost stable gigabit performance
  • Use smart cooling placement to mitigate heat buildup in prolonged use

Box Contents

  • Mi Router 4A Giga Version unit
  • Power adapter (12V ⎓ 1 A)
  • User manual and warranty card

Detailed Features