TP-Link TL-MR6400 4G WiFi router with 4 LAN

If you need reliable internet access while you are on the move, the TP-Link TL-MR6400 4G LTE WiFi Router is built for practical everyday connectivity. It shares a 4G LTE SIM connection across your home or workplace, helping you keep multiple Wi-Fi devices online at once. With a SIM card slot, plug and play setup, and features such as QoS priority and parental controls, it is a solid option when you want straightforward control over your network.

This TP-Link model is also designed around flexibility. The router includes a LAN/WAN connection option, so you can choose how you connect depending on your situation. It is aimed at people who want to replace a basic 4G setup with something that can serve more devices, without needing advanced networking knowledge. ✅

The essentials

The TL-MR6400 is a mobile 4G LTE WiFi router that lets you turn a Nano SIM into Wi-Fi for up to 32 devices, depending on your usage conditions. Instead of relying on a fixed broadband line, you insert a Nano SIM and power it on to get connected quickly, which is useful for travel, temporary setups, or locations where wired internet is not available. For many households and small work setups, that means everyone can get online without constantly sharing a single hotspot.

A key advantage is how it supports day to day Wi-Fi needs while keeping the setup process manageable. The included parental controls help you manage access for family devices, and QoS priority supports smoother performance when multiple devices are active at the same time. There is also support for both home use and remote access, giving you more options depending on how you run your network. 📶

If you often have changing connectivity requirements, the router’s WAN connection backup approach is worth noting as it helps you think beyond a single connection method. You can also make use of the router’s port flexibility through the LAN/WAN approach, which gives you choices when configuring how devices connect. It is a convenient choice when you want a router that can adapt to different environments.

Key features

The TL-MR6400 is designed to be easy to start, but it still offers features that help with real network behaviour. It includes a SIM card slot for using a 4G LTE connection, and the router is described as ready to run with plug and play setup, so you can begin using internet access quickly. According to the product description, speeds can reach up to 150 Mbps download, subject to network conditions and the plan from your provider.

Device capacity is another headline point. The router supports access for up to 32 devices simultaneously, which makes it more suitable than basic single device hotspots for households, shared spaces, or small office use. It also includes four LAN ports, giving you wired connection options for compatible devices you want to link directly. If you prefer stable wired connections for certain items, those ports can be useful.

For wireless performance, the router uses advanced removable antennas for LTE connections. Removable antennas can be handy in setups where you want better placement or need to adjust how the signal is positioned. The router also includes QoS priority, which can help prioritise traffic patterns in busier networks, such as when you are streaming, working, or gaming. 🎧

You may also appreciate the parental controls for household management. If you want more control over which devices can access online content, those controls can help you apply consistent rules. And with a home and remote access capability, you can manage your network settings in more than one situation.

If you are travelling abroad, the product description advises checking with your mobile provider for any special manual settings that may be needed to get internet access when you use the router outside your usual area. That is a practical reminder, because SIM and roaming behaviour can vary.

Tech specs

• Name: TP-Link TL-MR6400 4G LTE WiFi Router
• Type: 4G LTE WiFi router
• Capacity: Up to 32 devices
• LAN ports: 4
• Antennas: 2 removable antennas
• Speed: Up to 150 Mbps download

What you’ll notice day to day

It’s a good fit if you want a router that turns your 4G LTE SIM into Wi-Fi for multiple devices with minimal setup effort. You are likely to benefit if you live in an area where fixed broadband is limited, if you need a backup style connectivity option, or if you set up internet for temporary locations. The plug and play approach helps you get online without spending time on complex configuration.

It makes sense if you have a mix of devices and want both Wi-Fi and wired options. With the four LAN ports, you can connect select devices directly, while the wireless side keeps phones, laptops, and tablets connected around the home. It may not suit you if your network requirements are very specific and you do not want to check your provider for any manual roaming settings when travelling.