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TL-MR3420
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- TP-LINK TL-MR3420 wireless router Fast Ethernet Black, White (TL-MR3420)
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
TL-MR3420 Overview
TL-MR3420 is a fixed-architecture wireless router engineered for mobile broadband, delivering high-speed 802.11n connectivity with up to 150 Mbps throughput. It is powered by a dedicated DC power supply and features a single WAN port alongside four LAN ports, enabling integrated Internet connectivity with built-in VPN support and firewall protection.
The TL-MR3420 is optimized for small business and travel use cases by providing reliable performance over standard 10/100 Ethernet interfaces and secure remote access via IPSec VPN capabilities. Its design does not include modular or redundant power features, focusing instead on simplicity, efficient routing, and dependable mobile network integration.
What is the price of TL-MR3420?
Pricing for TL-MR3420 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for TL-MR3420.
Explore more options from Routers or explore other Tp-Link products.
TL-MR3420 Specifications
| Product Type | Router |
| VPN Support | IPSec |
| Power Source | DC Power Supply |
| Routing Protocols | Static Routing |
| Broadband | 4G |
| Architecture | Fixed |
| WAN Configuration | WAN |
| WAN Ports | 1 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | WiFi 4 |
| Connectivity Type | Wired / Wireless / Ethernet |
| Network Protocols | TCP/IP, DHCP, DNS, NAT |
| Remote Management | HTTP / HTTPS |
| Compliance Standards | FCC / CE |
| Wireless Support | Yes |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / Firewall / IPv6 Compatible |
| Use Case | Small Business / Travel |
| Management | Unmanaged |
| Form Factor | Desktop |
| Integrated Services | N/A |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.15 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall |
| Expansion Slots | N/A |
| Modular Slots Available | N/A |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 64 MB |
| Flash Memory | 16 MB |
| Interface Ports | RJ-45 |
| Power | 12W |
| Device Type | Router |
| Product Name | TP-Link TL-MR3420 3G/4G Wireless N Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | 1.1 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Modular | Fixed |
| Broadband | N/A | 4G | N/A | N/A | N/A |
| Built-in Security Features | Firewall | Firewall | Firewall | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE, RoHS | FCC / CE | FCC, CE | FCC / CE | IEEE 802.11, WPA3 |
| Connectivity Type | Wired / Wireless | Wired / Wireless / Ethernet | Wired / Wireless / Ethernet | Wired / Wireless | Wired / Wireless |
| Depth | 9.45 inches | N/A | N/A | 16 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | N/A | N/A | N/A | NIM | N/A |
| Features | VPN / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | IPv6 Compatible / Firewall | VPN / Firewall / QoS / IPv6 Compatible | VPN, IPv6 Compatible, Firewall, Parental Controls, QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 16 MB | 32 MB | 1 GB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop | Rack-mount | Desktop |
| Height | 2.2 inches | N/A | N/A | 1.75 inches | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Supported | Not Supported |
| Integrated Services | N/A | N/A | N/A | Voice / Video / WAN Optimization | VPN, Parental Controls |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 / SFP | RJ-45 / USB |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Unmanaged | Unmanaged | Managed | Managed | Managed |
| Memory | 512 MB | 64 MB | 128 MB | 4 GB | 512 MB |
| Modular Slots Available | N/A | N/A | N/A | 3+ Slots | N/A |
| Network Protocols | 802.11a/b/g/n/ac/ax | TCP/IP, DHCP, DNS, NAT | IPv4, IPv6 | IPv4 / IPv6 | 802.11ax, 802.11ac, 802.11n |
| Power | 24 W | 12W | 12W | 150W | 36W |
| Power Source | AC Power Supply | DC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply |
| Product Name | TP-Link Archer AX53 | TP-Link TL-MR3420 3G/4G Wireless N Router | TP-Link Archer C20 AC750 Wireless Dual Band Router | ARCHER VR2100 | ARCHER AX55 |
| Product Type | Wireless Router | Router | Router | Enterprise Router | Wireless Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Web GUI, TP-Link Tether | HTTP / HTTPS | HTTP, HTTPS | SSH / HTTPS / SNMP | Web UI / ASUS Router App |
| Routing Protocols | Static Routing | Static Routing | Static Routing / N/A | OSPF / BGP / Static Routing | Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | N/A | N/A | Gigabit | Gigabit |
| Stacking Capability | No | No | No | Yes | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 3 Gbps | 0.15 Gbps | 0.75 Gbps | 2 Gbps | 1.8 Gbps |
| Use Case | Small Business | Small Business / Travel | Small Business | Enterprise | Home / Small Business |
| VPN Support | N/A | IPSec | N/A | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | WAN | WAN | Dual WAN | WAN |
| WAN Ports | 1 WAN | 1 WAN | 1 WAN | 2 WAN | 1 WAN |
| Weight | 1.3 lbs | 1.1 lbs | N/A | 10 lbs | N/A |
| Wi-Fi Standard | WiFi 6 | WiFi 4 | WiFi 5 | WiFi 6 | WiFi 6 / Dual Band |
| Width | 8.5 inches | N/A | N/A | 17.5 inches | N/A |
| Wireless Support | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What are the key features of the TP-LINK TL-MR3420 wireless router?
A
The TL-MR3420 delivers wireless N speeds up to 150 Mbps, Fast Ethernet WAN/LAN ports, 3G/4G USB modem sharing, WPA/WPA2 encryption, WPS one-touch setup and multiple operating modes (Router, AP, Range Extender, WISP).
Q
How do I set up the TL-MR3420 router for the first time?
A
Connect your modem to the WAN port, plug in the TL-MR3420, access http://tplinklogin.net via a web browser, log in with default credentials (admin/admin), and follow the Quick Setup wizard to configure Internet and wireless settings.
Q
Which 3G/4G USB modems are compatible with the TL-MR3420?
A
The TL-MR3420 supports major 3G/4G USB modems from Huawei, ZTE and other vendors; check TP-LINK’s online compatibility list to confirm model-specific support before purchase.
Q
What wireless speeds does the TL-MR3420 support?
A
This router supports IEEE 802.11b/g/n standards at up to 150 Mbps on the 2.4 GHz band, ideal for streaming, gaming and web browsing.
Q
How many devices can connect simultaneously to the TL-MR3420?
A
The TL-MR3420 can handle up to 32 concurrent wireless clients, with IP-based bandwidth control to ensure stable performance for all users.
Q
Does the TL-MR3420 support a guest network?
A
Yes. You can enable a separate guest SSID with its own password and bandwidth limits to keep your primary network secure.
Q
How secure is the TL-MR3420 wireless router?
A
It offers WPA/WPA2 encryption, SPI firewall protection, DoS attack prevention and guest network isolation to safeguard your home or office network.
Q
How do I enable WPA2 encryption on the TL-MR3420?
A
Log into the router’s web interface, go to Wireless > Wireless Security, select WPA2-PSK, choose AES encryption, set a strong passphrase and click Save.
Q
What operating modes does the TL-MR3420 support?
A
The router can function as a Wireless Router, Access Point, Range Extender or WISP to adapt to various network scenarios.
Q
How do I reset the TL-MR3420 to factory defaults?
A
With the router powered on, press and hold the Reset button for 8 seconds until the Power LED blinks, then release to restore factory settings.
Q
What is the wireless range of the TL-MR3420?
A
With its two fixed 5 dBi antennas, the TL-MR3420 covers a typical home or small office environment up to 100 m indoors and 300 m outdoors, subject to obstructions.
Q
Does the TL-MR3420 support WPS (Wi-Fi Protected Setup)?
A
Yes. Simply press the WPS button on the router and then on your WPS-enabled device to establish a secure wireless connection without entering a password.
Q
How do I update the firmware on the TL-MR3420?
A
Download the latest firmware from TP-LINK’s support site, log into the router’s web interface, navigate to System Tools > Firmware Upgrade, upload the file and wait for the reboot.
Q
What ports are available on the TL-MR3420?
A
It features one Fast Ethernet WAN port, four Fast Ethernet LAN ports and one USB 2.0 port for 3G/4G modem or file sharing.
Q
How do I configure IP-based bandwidth control on the TL-MR3420?
A
Go to Bandwidth Control > Rules List in the web interface, enable Bandwidth Control, define IP ranges and assign upstream/downstream speed limits per device, then Save.
Q
Can I schedule wireless access on the TL-MR3420?
A
Yes. Under Wireless > Wireless Schedule, set time segments to enable or disable Wi-Fi access automatically on selected days and hours.
Q
What warranty does the TL-MR3420 include?
A
TP-LINK offers a limited two-year warranty on the TL-MR3420, covering hardware defects and replacement support.
