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TL-MR6400
300 Mbps Wireless N 4G LTE Router - Wi-Fi 4 (802.11n) - Sing...
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TL-MR6400 delivers a robust, scalable architecture built for high-performance networking, integrating state‐of‐the‐art processing with multiple power options including AC power supply to ensure reliable operations in diverse environments. Designed to support a broad range of ports such as high-speed Ethernet and uplink ports, it offers flexible connectivity and performance optimization tailored to modern network infrastructures.
Engineered with stacking capabilities that simplify network expansion and management, TL-MR6400 achieves superior throughput and low latency for mission-critical applications. Its cutting-edge design and scalable performance make it ideal for small to medium enterprises seeking to deploy resilient, high-performance solutions in dynamic work environments.
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| TL-MR6400 |  TL-SG1218MPE |  TL-WR841N |  TL-SG116E |  TL-SG3428 | |
|---|---|---|---|---|---|
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 32 MB | 64 MB | 4 MB | 16 MB | 64 MB |
| Form Factor | Desktop | Rack-mount | Desktop | Desktop | Rack-mount |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 3 | Layer 2 | Layer 3 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Unmanaged | Managed | Managed |
| Manufacturer Part Number | TL-MR6400 | TL-SG1218MPE | TL-WR841N | TL-SG116E | TL-SG3428 |
| Media Type Supported | Twisted Pair | Combo | Twisted Pair | Twisted Pair | Combo |
| Memory | 128 MB | 128 MB | 32 MB | 64 MB | 256 MB |
| Number of Ethernet Ports | Under 12 Ports | 12–24 Ports | Under 12 Ports | 12–24 Ports | 24–48 Ports |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | TL-MR6400 Wireless Router | TL-SG1218MPE Gigabit PoE+ Smart Switch | TP-Link TL-WR841N Wireless Router | TL-SG116E 16-Port Gigabit Easy Smart Switch | TP-Link TL-SG3428 Gigabit Stackable Managed Switch |
| Product Type | Wireless Router | Switch | Wireless Router | Switch | Switch |
| Redundant Power Supply Supported | No | No | No | No | No |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
LTE connectivity is stable for backup internet, easy setup and reliable speeds for daily operations.
Great as failover WAN, kept our branch online during fiber outage with minimal disruption.
Consistent 4G performance, WiFi coverage is solid for small office and retail environments.
Simple SIM setup and stable signal, worked well for temporary site connectivity.
Reliable router for remote locations, steady internet and easy management for non technical staff.
Good value LTE router, stable connectivity and dependable uptime across long working days.
The TL-MR6400 is a tabletop 4G LTE router delivering up to 300 Mbps Wi-Fi (802.11n) on 2.4 GHz and wired Gigabit‐equivalent Ethernet connectivity for home or small-office networks.
The TL-MR6400 supports Cat4 LTE with up to 150 Mbps download and 50 Mbps upload speeds using a compatible SIM card.
The router uses Wi-Fi 4 (802.11n) on the 2.4 GHz single band, delivering up to 300 Mbps wireless throughput.
It features four 10/100 Mbps Fast Ethernet LAN ports for reliable wired connections to PCs, switches or printers.
Yes. If 4G LTE service is unavailable, the TL-MR6400 automatically switches to 3G networks for uninterrupted Internet access.
Power off the router, open the SIM card slot on its underside, insert a standard 4FF SIM, then close and power on the device.
Connect a PC to the router via Wi-Fi or Ethernet, open http://tplinkmodem.net (or 192.168.1.1), log in with default credentials (admin/admin), and follow the Quick Setup wizard.
It supports 4G LTE bands 800/900/1800/2100/2600 MHz and 3G bands 900/2100 MHz for global compatibility.
The reset pinhole button is on the back panel; press and hold for 10 seconds to restore factory defaults.
Yes. It comes with two detachable 4G LTE antennas to optimize cellular reception and signal strength.
The router supports WPA/WPA2 encryption, SPI firewall, MAC address filtering, and access controls to protect your network.
Yes. When configured in failover mode, the router switches between DSL/fiber and 4G/3G to ensure continuous connectivity.
The tabletop router measures 192 × 135 × 30 mm (L × W × H) and weighs approximately 310 g.
The TL-MR6400 works with most unlocked SIM cards from any cellular provider that supports the listed LTE/3G bands.
You can connect up to 32 wireless devices plus four wired devices simultaneously without performance degradation.
Download the latest firmware from TP-Link’s website, log in to the router’s web interface under System Tools > Firmware Upgrade, upload the file and reboot.
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