Please allow ~2-3 weeks to dispatch for quality control. Product images are for illustrative purposes only and may contain AI-generated content; they may not represent the final product you receive. Products are subject to the cosmetic grading policy detailed here.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
TP-Link TL-MR6400 300Mbps Wireless N 4G LTE Router - Certified Refurbished
The TP-Link TL-MR6400 is a certified refurbished 300Mbps Wireless N 4G LTE Router featuring an integrated LTE Category 4 modem, MediaTek MT7628N 580MHz processor, 64MB RAM, 8MB flash storage, four 10/100Mbps Ethernet ports (3 LAN + 1 configurable LAN/WAN), and dual detachable 4G LTE antennas delivering up to 150Mbps download speeds via nano SIM connectivity. This versatile networking solution provides reliable internet access for homes and small offices, particularly in areas where traditional broadband is unavailable or unreliable, offering seamless failover between 4G and wired connections whilst supporting up to 32 wireless devices simultaneously.
Practical Applications
Perfect for rural properties, holiday homes, temporary work sites, or backup internet connectivity, this certified refurbished 4G LTE router eliminates the need for fixed-line broadband installation. The device excels in providing instant internet access through mobile networks whilst maintaining the flexibility to switch between 4G and traditional wired connections. Its compact design and simple plug-and-play setup make it ideal for users requiring immediate connectivity without complicated configuration.
Key Features & Benefits
- Dual-Mode Connectivity: Seamlessly switches between 4G LTE mobile broadband (up to 150Mbps download) and wired WAN connection, ensuring uninterrupted internet access with automatic failover capability
- Comprehensive Network Coverage: Supports multiple 4G LTE bands including FDD-LTE B1/B3/B7/B8/B20 and TDD-LTE B38/B40, plus 3G DC-HSPA+ fallback for broad network compatibility across Australian carriers
- Reliable Wireless Performance: 300Mbps Wi-Fi speeds on 2.4GHz band with 2×2 MIMO technology and WPA2 encryption provide secure, stable connections for up to 32 devices concurrently
- Advanced Router Functionality: Features VPN pass-through (PPTP/L2TP/IPSec), PPTP/OpenVPN server capabilities, Dynamic DNS support, QoS traffic management, and comprehensive firewall protection with DoS prevention
- Flexible Port Configuration: Four Fast Ethernet ports including one configurable LAN/WAN port allow for wired device connections and network expansion, whilst the nano SIM slot accepts all major Australian mobile carriers
- User-Friendly Management: Control via intuitive web interface or TP-Link Tether mobile app for iOS/Android, enabling remote monitoring, guest network setup, parental controls, and wireless scheduling
- Enterprise-Grade Security: Multiple security layers including SPI firewall, IP/MAC address binding, access control with scheduling, and dedicated guest network isolation protect your network from unauthorised access
Essential Technical Specifications
- Processor: MediaTek MT7628N MIPS 24KEc, 580MHz single-core processor with 64MB RAM and 8MB flash storage
- LTE Performance: Category 4 LTE modem supporting up to 150Mbps download / 50Mbps upload speeds via nano SIM card slot
- Wireless Specifications: IEEE 802.11b/g/n, 2.4GHz single-band, 300Mbps maximum speed with 2×2 MIMO configuration
- Network Ports: 3× 10/100Mbps LAN ports, 1× 10/100Mbps configurable LAN/WAN port (no USB ports)
- Supported Bands: 4G FDD-LTE B1/B3/B7/B8/B20, TDD-LTE B38/B40; 3G UMTS B1/B8 (compatible with Australian networks)
- Antennas: 2× detachable external 4G LTE antennas, 2× internal Wi-Fi antennas for optimal signal reception
- Security Features: WPA/WPA2-PSK encryption, SPI firewall, DoS protection, VPN pass-through, parental controls
- Power Supply: 9V DC / 0.85A external adapter (Australian plug included)
- Dimensions: 174 × 124.5 × 33.5mm (W×D×H), lightweight and compact for versatile placement
- Operating Environment: 0°C to 40°C operating temperature, 10-90% non-condensing humidity
Verified Reboot Refurb Certification
Every certified refurbished TP-Link TL-MR6400 router sold by Reboot IT undergoes our rigorous Verified Reboot Refurb testing process, where we meticulously examine and test all features and functions using cutting-edge diagnostic software. Since 2001, Reboot IT has been Australia's trusted expert in refurbished technology, and our comprehensive testing protocol ensures this router meets the highest performance and reliability standards.
Our thorough verification process for this certified refurbished networking equipment includes:
- Complete functionality testing of all four Ethernet ports and wireless connectivity
- 4G LTE modem verification across multiple network bands with SIM card reading confirmation
- Wi-Fi performance testing for signal strength, range, and connection stability with multiple devices
- Security feature validation including firewall, VPN, and encryption protocols
- Software integrity checks ensuring authentic firmware and optimal configuration
- Connectivity verification for seamless 4G/wired failover functionality
- Thermal stress testing to confirm reliable operation under sustained load
- Professional cleaning and comprehensive quality inspection
Each unit is verified refurbished through Reboot IT's meticulous testing process, guaranteeing this certified refurbished router delivers dependable performance comparable to new equipment at exceptional value.
Quality Assurance & Warranty
This certified refurbished TP-Link TL-MR6400 is backed by Reboot IT's comprehensive 1-year warranty, providing complete peace of mind with your purchase. Our warranty covers all critical components including the LTE modem, processor, network ports, and wireless functionality, reflecting our confidence in the quality and longevity of our certified refurbished networking equipment.
Reboot IT's commitment to excellence means you're not simply purchasing refurbished equipment—you're investing in verified quality and assurance. Our specialized testing procedures and professional refurbishment standards ensure every certified refurbished router meets stringent performance criteria before reaching your hands. This eco-friendly choice reduces electronic waste whilst delivering reliable connectivity at outstanding value, supported by our experienced technical team and Australian-based customer service.
Experience reliable, certified refurbished 4G LTE connectivity today—order your TP-Link TL-MR6400 router from Reboot IT and enjoy fast, flexible internet access backed by expert refurbishment and a full 1-year warranty.
| Number Of Lan Ports | none |
| Condition | A |
| Model | TL-MR3420 |
| Type | Wireless Lan Switch |
| Brand | Tp-link |
| Form Factor | Standalone |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade
