The TP-Link TL-MR3420 is a compact 3G/4G Wireless N router that converts a compatible USB cellular modem into a shared Wi-Fi network, delivers up to 300 Mbps on 2.4 GHz, and supports failover between wired WAN and mobile data for uninterrupted connectivity.
TP-Link TL-MR3420 3G/4G Wireless N Router: Seamless Internet Access Anywhere
The TP-Link TL-MR3420 3G/4G Wireless N Router offers a reliable, fast, and versatile internet connection for home or office use. With the ability to support LTE, HSPA+, HSUPA, HSDPA, UMTS, and EVDO USB modems, this router is ideal for users who need a high-speed connection while on the go. Whether you're sharing a connection with family, friends, or multiple devices, the TL-MR3420 ensures a stable, uninterrupted service. With support for both wired and wireless connectivity, it guarantees "Always-online" internet through automatic failover to 3G/4G backup if the primary WAN connection fails.
Product Highlights:
Reliable 3G/4G Internet Sharing
Turn your 3G/4G USB dongle into a reliable Wi-Fi hotspot with the TL-MR3420 router. It seamlessly transforms cellular data into a stable internet connection that can be shared across multiple devices, such as smartphones, laptops, tablets, and game consoles. The router supports a wide variety of USB modems, ensuring compatibility with major brands. Whether you're at home, traveling, or in a remote location, this router makes it easy to stay connected.
Supports Multiple Devices Simultaneously
The TL-MR3420 can handle up to 32 devices simultaneously, providing fast and stable internet speeds of up to 300Mbps. This makes it perfect for busy households or small offices where several devices need a reliable connection at once. Whether you're streaming, browsing, or gaming, this router ensures all your devices stay online without compromising on speed or performance.
Two Modes for Ultimate Flexibility
With the TP-Link TL-MR3420, you get the best of both worlds. It supports both wireless 3G/4G connections and wired WAN connections, giving you the flexibility to choose your preferred connection type based on availability. Switch easily between Ethernet and mobile data for uninterrupted internet access, whether you're at home, in the office, or traveling.
Quick and Simple Setup with Comprehensive Control
Setting up the TL-MR3420 is quick and easy with its intuitive web interface. You can have your router up and running in minutes, with minimal technical knowledge required. Additionally, the powerful Tether app allows you to manage your network settings remotely, including access controls, parental controls, and more. Control your home or office network anytime, from anywhere, directly from your Android or iOS device.
Key Benefits:
The router supports a broad range of 3G/4G USB modems including LTE, HSPA+, HSUPA, HSDPA, UMTS and EVDO devices. Compatibility depends on the modem firmware and region - check the modem maker for operator compatibility before purchase.
Yes. Insert a compatible USB modem into the USB 2.0 port and the router can use the mobile data as a primary internet source or automatically take over if the wired WAN connection fails.
The TL-MR3420 is designed to support up to 32 simultaneous client devices, suitable for small homes or small office scenarios with mixed browsing, streaming and light gaming.
The router provides bandwidth control settings and basic access filtering (MAC/IP/Application/URL) which can be used to prioritise traffic and restrict access; advanced parental control features are managed through access rules and schedules in the web interface.
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Specifications and features![]() | |
| Product Code | TP-MR3420![]() |
| HARDWARE FEATURES | |
| Interface | 1 USB 2.0 Port for LTE/HSPA+/HSUPA/HSDPA/UMTS/EVDO USB Modem |
| 1 10/100Mbps WAN Port, 4 10/100Mbps LAN Ports, support the auto-Negotiation and auto-MDI/MDIX | |
| Button | WPS/Reset Button |
| Wireless On/Off Switch | |
| Power On/Off Button | |
| External Power Supply | 12VDC/1A |
| Dimensions ( W x D x H ) | 8*5.4*1.7 in. (204*138*44 mm) |
| Antenna Type | V1&V2 Omni directional, Detachable, Reverse SMA |
| V3&V4 Omni directional, Undetachable, Reverse SMA | |
| Antenna Gain | 2x5dBi |
| WIRELESS FEATURES | |
| Wireless Standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| Frequency | 2.4-2.4835GHz |
| Transmit Power | <20dBm |
| Wireless Security | Support 64/128 bit WEP, WPA-PSK/WPA2-PSK |
| Wireless MAC Filtering | |
| SOFTWARE FEATURES | |
| Security | NAT Firewall, SPI Firewall, MAC / IP / Packet / Application / URL Filtering, Denial of Service(DoS), SYN Flooding, Ping of Death |
| Management | Web Based Configuration(HTTP), Web Based Firmware Upgrade |
| OTHERS | |
| Certification | CE, FCC, RoHS |
| Package Contents | 3G/4G Wireless N Router TL-MR3420 |
| 2 Antennas | |
| Power supply unit | |
| Ethernet Cable | |
| Resource CD | |
| Quick Installation Guide | |
| System Requirements | Microsoft Windows 98SE, NT, 2000, XP, Vista Windows 7, 8, 10, MAC OS, NetWare, UNIX or Linux. |
| Environment | Operating Temperature: 0degreesC~40degreesC (32degreesF~104degreesF) |
| Storage Temperature: -40degreesC~70degreesC (-40degreesF~158degreesF) | |
| Operating Humidity: 10%~90% non-condensing | |
| Storage Humidity: 5%~90% non-condensing | |
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