TP-Link TL-MR6400 300MBit/s WLAN N 4G LTE Router 3x LAN 1x LAN/WAN 1x Nano SIM card slot

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Product details

The TP-Link TL-MR6400 is a powerful 4G router that provides a reliable internet connection with a maximum transmission rate of 300 Mbps. With its dual-band Wi-Fi standard (Wi-Fi 4 / 802.11n) and two antennas, it ensures a stable and fast connection in your home or office. The router features a total of four ports, including three LAN ports and one LAN/WAN port, allowing for flexible network connectivity. Thanks to the integrated Nano-SIM card slot, you can easily insert a SIM card and instantly access mobile internet. The built-in firewall and Quality of Service (QoS) function provide additional security and optimize bandwidth usage for various applications. The TL-MR6400 is therefore an ideal solution for anyone needing a fast and reliable internet connection.

  • Maximum Wi-Fi transmission rate of 300 Mbps
  • Dual-band Wi-Fi for improved network performance
  • Integrated Nano-SIM card slot for mobile internet use
  • Quality of Service (QoS) for optimized bandwidth usage.

Key specifications

Router type
4G router, Wi-Fi router
Router functions
Firewall, Quality of Service (QoS)
Wi-Fi standard
Wi-Fi 1 / 802.11b, Wi-Fi 3 / 802.11g, Wi-Fi 4 / 802.11n
2.4 GHz transfer rate
300 Mbit/s
Number of ports
4 ports
Network connections
RJ45 (4x)

General information

Item number
66541187
Manufacturer
TP-Link
Category
Routers
Manufacturer No.
TL-MR6400
Release date
23.1.2026
Sales rank in Category Routers
513 of 2695

Colour

Colour
Black
Exact colour description
Black

Router properties

Router type
4G router, Wi-Fi router
Router functions
Firewall, Quality of Service (QoS)

Wi-Fi

Wi-Fi standard
Wi-Fi 1 / 802.11b, Wi-Fi 3 / 802.11g, Wi-Fi 4 / 802.11n
Wi-Fi frequency band
Single band
Wi-Fi encryption
WPA, WPA-PSK, WPA2, WPA2-PSK
WLAN functions
WPS (WiFi Protected Setup)
Number of antennas
2x
2.4 GHz transfer rate
300 Mbit/s

Mobile internet properties

SIM card type
Nano SIM
Mobile phone standard
4G
Max. data transfer rate
150 Mbit/s

Network interface

Number of ports
4 ports
Network connections
RJ45 (4x)
Max. port speed
100 Mbit/s

Voluntary climate contribution

CO₂ emissions
68.7 kg
Climate contribution
CHF 1.63

Scope of delivery

Scope of delivery
AC power adapter, Lan (RJ-45), Quick installation guide

Product dimensions

Length
14.10 cm
Width
20.20 cm
Height
3.36 cm
Weight
600 g

30-day right of return
36 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Routers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 12.Rebel
    1 %
  • 12.Telekom
    1 %
  • 12.TP-Link
    1 %
  • 17.ASUS
    1.3 %
  • 18.Vodafone
    1.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 4.Huawei
    1 day
  • 4.MikroTik
    1 day
  • 4.TP-Link
    1 day
  • 4.Zyxel
    1 day
  • 8.FRITZ!
    2 days

Return rate

How often is a product of this brand in the «Routers» category returned?

Source: Digitec Galaxus
  • 6.MikroTik
    3.4 %
  • 6.Synology
    3.4 %
  • 8.TP-Link
    3.5 %
  • 9.Acer
    3.6 %
  • 9.Starlink
    3.6 %
Source: Digitec Galaxus