The TP-Link TL-MR6400 300Mbps Wireless N 4G LTE Router is a versatile networking solution that combines 4G LTE mobile broadband with Wi-Fi connectivity, allowing users to access the internet without requiring a fixed wired connection. It is suitable for homes, offices, temporary locations, backup internet connections, and areas where fixed broadband service is unavailable.
The router supports 4G LTE download speeds of up to 150Mbps and provides Wi-Fi speeds of up to 300Mbps on the 2.4GHz band. It can share a 4G LTE connection with multiple wireless devices, making it suitable for smartphones, laptops, tablets, smart TVs, cameras, and other connected devices.
The TL-MR6400 features an integrated SIM card slot, allowing users to insert a compatible SIM card and establish an LTE internet connection without requiring a separate modem. Its two detachable 4G LTE antennas help maintain a stable mobile connection, while two internal Wi-Fi antennas provide wireless coverage.
The router also includes four 10/100Mbps Ethernet ports, with one port configurable as a WAN/LAN port. This allows the TL-MR6400 to work with a traditional Ethernet broadband connection as an alternative to 4G LTE, providing additional flexibility and backup connectivity.
TP-Link provides a browser-based management interface for configuring the router, while supported hardware versions include features such as parental controls, guest network functionality, DHCP, NAT, firewall settings, and bandwidth management.
Key Features
- 4G LTE Cat 4 mobile broadband
- LTE download speeds up to 150Mbps
- LTE upload speeds up to 50Mbps
- 300Mbps Wi-Fi 4 on 2.4GHz
- Built-in SIM card slot
- Plug and play 4G connectivity
- 2 detachable 4G LTE antennas
- 2 internal Wi-Fi antennas
- 4 × 10/100Mbps Ethernet ports
- One configurable WAN/LAN port
- Supports 4G and wired broadband connections
- 4G as a broadband backup option
- DHCP server
- NAT and firewall functions
- Guest network support
- Parental controls
- WPS button
- Suitable for home and office networking
Specifications
| Specification | Details |
|---|---|
| Brand | TP-Link |
| Model | TL-MR6400 |
| Product Type | 4G LTE Wi-Fi Router |
| Mobile Network | 4G LTE Cat 4 |
| LTE Download | Up to 150Mbps |
| LTE Upload | Up to 50Mbps |
| Wi-Fi Standard | IEEE 802.11b/g/n |
| Wi-Fi Frequency | 2.4GHz |
| Wi-Fi Speed | Up to 300Mbps |
| SIM Slot | Yes |
| SIM Type | Mini SIM* |
| LTE Antennas | 2 Detachable |
| Wi-Fi Antennas | 2 Internal |
| Ethernet Ports | 4 × 10/100Mbps |
| WAN/LAN | 1 Port Configurable |
| WPS | Yes |
| DHCP | Yes |
| NAT | Yes |
| Firewall | Yes |
| Guest Network | Yes |
| Parental Controls | Yes |
| Management | Web Interface |
| Power Supply | 12V / 1A |
| Dimensions | Approx. 202 × 141 × 33.6mm |
*SIM size and LTE frequency support can vary by hardware version and regional model. TP-Link publishes separate hardware revisions of the TL-MR6400, so the exact hardware version should be checked before publishing regional LTE-band specifications.
Compatibility
The TP-Link TL-MR6400 is designed to work with compatible 4G LTE SIM cards from supported mobile network operators. Once a SIM card is inserted, the router can share the mobile internet connection over its 2.4GHz Wi-Fi network or through Ethernet.
The router can connect multiple devices simultaneously, including computers, laptops, smartphones, tablets, smart TVs, IP cameras, and other Wi-Fi-enabled devices.
The configurable WAN/LAN Ethernet port also allows the router to be connected to a conventional wired internet source. This can make the TL-MR6400 useful as either a primary 4G router or a backup internet solution.



















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