TP-Link TL-MR6400 300Mbps Wireless N 4G LTE Router 

TP-Link TL-MR6400 is a 300 Mbps Wireless N 4G LTE Router designed to deliver stable and high-speed internet connectivity in areas with limited access to wired broadband. Equipped with a micro SIM card slot, it supports FDD-LTE and TDD-LTE bands for seamless 4G LTE coverage and provides fallback options via its WAN port for uninterrupted internet access. With speeds up to 300 Mbps over 2.4 GHz Wi-Fi, four Ethernet ports, and detachable or internal LTE antennas (model dependent), it offers reliable wireless and wired connectivity for homes, small offices, and remote locations. This all-in-one router supports multiple VPN protocols, guest networks, parental controls, and easy management via web UI or remote access.

Product Features

4G LTE internet with SIM card slot
Provides instant internet access by inserting a micro SIM card—ideal for remote locations, rural areas, mobile offices, or backup connectivity.

Up to 300 Mbps wireless N speed
Delivers stable 300 Mbps Wi-Fi over the 2.4 GHz band, suitable for streaming, video calls, web browsing, and file downloads.

Detachable or internal LTE antennas (model-dependent)
Models include either detachable high-gain LTE antennas or internal antennas, ensuring strong signal reception and broader coverage.

WAN failover support
Automatically switches to 3G/4G LTE when your wired connection fails, ensuring uninterrupted internet access.

Multiple operating modes
Supports both 3G/4G router mode and standard wireless router mode, giving flexibility to adapt to different networking scenarios.

Advanced VPN support
Compatible with PPTP, IPSec, and OpenVPN, enabling secure remote access for work-from-home and business use cases.

Guest network and parental controls
Create a separate guest Wi-Fi network and manage access using parental control settings, ideal for home or shared environments.

Simple setup and management
Easy configuration via web interface, with features such as access control, remote management, reboot scheduling, and DHCP settings.

IPv6 support and dynamic DNS
Future-proof your network with IPv6 capability and enable easier access to devices with Dynamic DNS support including DynDNS and NO-IP.

Product Specifications

• Wireless standard: IEEE 802.11b/g/n (2.4 GHz)
• Frequency: 2.4–2.4835 GHz
• Signal rate: Up to 300 Mbps (2.4 GHz)
• Antennas:
  • V3/APAC: 2 × internal 4G LTE antennas
  • V1/V2/V4: 2 × detachable 4G LTE antennas
• Transmit power: CE <20 dBm
• Reception sensitivity:
  • 11g 54M: –74 dBm
  • 11n HT20: –71 dBm
  • 11n HT40: –67 dBm
• Ports:
  • 3 × 10/100 Mbps LAN ports
  • 1 × 10/100 Mbps LAN/WAN port
  • 1 × Micro SIM card slot
• Buttons: WPS/Reset, Wi-Fi On/Off, Power On/Off
• Power supply:
  • EU version: 9V/0.85A
  • APAC version: 12V/1A
• Dimensions: 202 × 141 × 33.6 mm
• Wireless functions: Enable/Disable Radio, WMM, Wireless Statistics
• WAN failover: Supported
• Wireless security: 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK
• Network type:
  • 4G LTE Bands:
    • FDD-LTE: B1/B3/B7/B8/B20 (2100/1800/2600/900/800 MHz)
    • TDD-LTE: B38/B40/B41 (2600/2300/2500 MHz, B41 limited to 2555–2655 MHz)
  • 3G Bands:
    • DC-HSPA+/HSPA+/UMTS: B1/B8 (2100/900 MHz)
• Operating modes: 3G/4G Router Mode, Wireless Router Mode
• Management features:
  • Access Control
  • Local and Remote Management
  • Reboot Schedule
• WAN connection types: Dynamic IP, Static IP, PPPoE, PPTP (Dual Access), L2TP (Dual Access)
• DHCP: Server, Client, Client List, Address Reservation
• Port forwarding: Virtual Server, Port Triggering, UPnP, DMZ
• VPN support: PPTP, IPSec, OpenVPN
• Dynamic DNS: DynDNS, NO-IP
• Guest network: 2.4 GHz guest Wi-Fi
• System compatibility: Windows 98SE–Windows 10, Mac OS, UNIX, Linux, NetWare