United States$5,000,000+
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Victor Easton
5
Useful router for mobile broadband, stable connection and easy failover for small office use.
TL-MR3420
TP-LINK TL-MR3420 wireless router Fast Ethernet Black, White...
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TL-MR3420
- Description:
- TP-LINK TL-MR3420 wireless router Fast Ethernet Black, White (TL-MR3420)
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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.
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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
 TL-MR3420 |  ARCHER C20 |  ARCHER AX53 |  ARCHER VR2100 |  ARCHER AX55 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Modular | Fixed |
| Broadband | 4G | N/A | 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 | FCC, CE | FCC, CE, RoHS | FCC / CE | IEEE 802.11, WPA3 |
| Connectivity Type | Wired / Wireless / Ethernet | Wired / Wireless / Ethernet | Wired / Wireless | Wired / Wireless | Wired / Wireless |
| Depth | N/A | N/A | 9.45 inches | 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 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | N/A | N/A | N/A | NIM | N/A |
| Features | VPN / Firewall / IPv6 Compatible | IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN / Firewall / QoS / IPv6 Compatible | VPN, IPv6 Compatible, Firewall, Parental Controls, QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 16 MB | 32 MB | 256 MB | 1 GB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop | Rack-mount | Desktop |
| Height | N/A | N/A | 2.2 inches | 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 | Managed | Unmanaged | Managed | Managed |
| Memory | 64 MB | 128 MB | 512 MB | 4 GB | 512 MB |
| Modular Slots Available | N/A | N/A | N/A | 3+ Slots | N/A |
| Network Protocols | TCP/IP, DHCP, DNS, NAT | IPv4, IPv6 | 802.11a/b/g/n/ac/ax | IPv4 / IPv6 | 802.11ax, 802.11ac, 802.11n |
| Power | 12W | 12W | 24 W | 150W | 36W |
| Power Source | DC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply |
| Product Name | TP-Link TL-MR3420 3G/4G Wireless N Router | TP-Link Archer C20 AC750 Wireless Dual Band Router | TP-Link Archer AX53 | ARCHER VR2100 | ARCHER AX55 |
| Product Type | Router | Router | Wireless Router | Enterprise Router | Wireless Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTP / HTTPS | HTTP, HTTPS | Web GUI, TP-Link Tether | SSH / HTTPS / SNMP | Web UI / ASUS Router App |
| Routing Protocols | Static Routing | Static Routing / N/A | Static Routing | OSPF / BGP / Static Routing | Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | Yes | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.15 Gbps | 0.75 Gbps | 3 Gbps | 2 Gbps | 1.8 Gbps |
| Use Case | Small Business / Travel | Small Business | Small Business | Enterprise | Home / Small Business |
| VPN Support | IPSec | N/A | 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 | 1.1 lbs | N/A | 1.3 lbs | 10 lbs | N/A |
| Wi-Fi Standard | WiFi 4 | WiFi 5 | WiFi 6 | WiFi 6 | WiFi 6 / Dual band |
| Width | N/A | N/A | 8.5 inches | 17.5 inches | N/A |
| Wireless Support | Yes | Yes | Yes | Yes | Yes |
Reviews & Ratings
I
Isaac Thornton
4
Great for temporary sites, quick setup and reliable connectivity for basic business needs.
J
Jordan Hensley
5
Handled backup internet smoothly, kept critical services online during primary link issues.
S
Spencer Calhoun
3
Simple interface and stable performance, works well for small teams and remote locations.
G
Graham Whitaker
4
Reliable for 3G and 4G failover setups, steady uptime and straightforward configuration.
D
Dylan Albright
5
Good value router, stable WiFi and dependable connectivity when used as backup WAN.
Questions & Answers
What are the key features of the TP-LINK TL-MR3420 wireless router?
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).
How do I set up the TL-MR3420 router for the first time?
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.
Which 3G/4G USB modems are compatible with the TL-MR3420?
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.
What wireless speeds does the TL-MR3420 support?
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.