Description
Product Description
The TP‑Link TL‑MR3420 3G/4G 300 Mbps Wireless N Router is designed to turn your mobile broadband connection into a shared Wi‑Fi hotspot. By connecting a compatible 3G/4G USB modem, you can instantly create a wireless network for multiple devices, making it ideal for homes, offices, and locations without fixed broadband access.
It delivers stable wireless performance at speeds up to 300 Mbps on the 2.4 GHz band, suitable for tasks like video streaming, web browsing, and online gaming. The router also supports a traditional wired WAN connection, allowing users to switch between mobile and fixed broadband for backup or primary internet access. Easy setup and management are provided through a web‑based interface and mobile apps.
Specifications (Verified & Accurate)
📡 Wireless & RF Performance
- Wireless Standard: IEEE 802.11b/g/n
- Frequency: 2.4 GHz (2.4–2.4835 GHz)
- Wi‑Fi Speed: Up to 300 Mbps
- Wireless Functions:
- WPS (one‑touch wireless security)
- Wireless On/Off Switch
- Wireless MAC Filtering
- Wireless Security:
- 64/128‑bit WEP
- WPA‑PSK / WPA2‑PSK
- WMM
- Wireless statistics
- Antenna:
- 2 × External, Omni‑directional antennas (up to 5 dBi gain)
- Reverse SMA connectors (version‑dependent)
📶 3G/4G & Internet Connectivity
- **3G/4G Support:**Compatible with most LTE/HSPA+/HSUPA/HSDPA/UMTS/EVDO USB modems (tested by TP‑Link)
- USB Port: 1 × USB 2.0 port for 3G/4G USB modem
- WAN Backup: Supports both 3G/4G wireless and traditional WAN connections for uninterrupted Internet (failover)
🔌 Hardware & Interfaces
- WAN Port: 1 × 10/100 Mbps WAN
- LAN Ports: 4 × 10/100 Mbps LAN (auto‑MDI/MDIX)
- Buttons: WPS/Reset button, Power On/Off button
- Power: 12 V DC / 1 A (varies by hardware version)
- Indicators: Power, Internet/WAN, LAN, Wi‑Fi status
- Dimensions: ~204 × 138 × 44 mm
🔧 Software & Management
- Management:
- Web‑based configuration (HTTP)
- Firmware upgrade via web interface
- Bandwidth control (per device)
- Parental controls & access control
- Security:
- NAT Firewall
- SPI Firewall
- MAC/IP/Packet/Application/URL filtering
- DoS protection (e.g., Ping of Death)
- DHCP: DHCP server support
- IPv6: DHCPv6 support
- DNS: DNS service support
💡 Physical & Environmental
- Operating Temperature: 0 °C – 40 °C
- Storage Temperature: ‑40 °C – 70 °C
- Operating Humidity: 10% – 90% non‑condensing
- Storage Humidity: 5% – 90% non‑condensing
Key Features
✔ Delivers up to 300 Mbps wireless N speed for stable Wi‑Fi connectivity
✔ Creates a Wi‑Fi hotspot using a 3G/4G USB modem — no fixed broadband needed
✔ Supports wired WAN and 3G/4G failover for always‑online access
✔ Easy one‑touch WPS security setup
✔ External antennas for improved wireless coverage
✔ Robust network security & parental controls
Typical Use Cases
✔ Home or small office Wi‑Fi where fixed broadband is unavailable
✔ Share mobile broadband with multiple devices (smartphones, laptops, game consoles)
✔ Always‑online setup with WAN and 3G/4G backup
✔ Budget‑friendly wireless networking solution
✔ Remote locations and temporary installations
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