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Refurbished TP-Link TL-MR3420 3G/4G Wireless N Router | 300Mbps WiFi Router with USB Modem Support | WAN Backup | RJ-45 Broadband Compatible
Refurbished TP-Link TL-MR3420 3G/4G Wireless N Router | 300Mbps WiFi Router with USB Modem Support | WAN Backup | RJ-45 Broadband Compatible
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Refurbished TP-Link TL-MR3420 3G/4G Wireless N Router | 300Mbps | USB Modem Support | WAN Failover | Seller Warranty
Stay connected anywhere with the Refurbished TP-Link TL-MR3420 3G/4G Wireless N Router, delivering reliable internet connectivity for homes, offices, and mobile work setups.
With 300Mbps wireless speed, USB modem support, and WAN failover backup, this router ensures an always-online internet experience even during network interruptions.
Perfect for broadband connections or USB data cards โ ideal for travel, remote work sites, and budget-friendly home networking. Professionally tested and backed by Seller Warranty from WeKart Online Store.
Reliable Internet Connectivity with TP-Link TL-MR3420 Wireless Router
The Refurbished TP-Link TL-MR3420 3G/4G Wireless N Router is designed to deliver reliable internet connectivity for homes, offices, and mobile networking environments. With support for both 3G/4G USB modems and standard RJ-45 broadband connections, this router offers a versatile and cost-effective solution for users who need flexible internet access across multiple environments.
The router's automatic WAN failover feature allows it to seamlessly switch between wired broadband and mobile internet when the primary connection fails โ ensuring an uninterrupted online experience without any manual intervention.
High-Speed 300Mbps Wireless Connectivity
Using Wireless N technology, the TL-MR3420 delivers speeds of up to 300Mbps โ sufficient for everyday internet activities across multiple connected devices. This includes:
- HD video streaming on OTT platforms
- Online gaming and low-latency browsing
- Video conferencing and online meetings
- Cloud file access and social media usage
Multiple devices including smartphones, laptops, tablets, smart TVs, and gaming consoles can connect simultaneously, making it ideal for small homes, apartments, and compact office setups.
3G/4G USB Modem Support for Flexible Internet Access
One of the standout features of the TL-MR3420 is its USB port for 3G/4G data modems. By plugging in a compatible USB dongle, users can instantly create a wireless hotspot โ even in locations without fixed broadband infrastructure. Supported modem technologies include LTE, HSDPA, HSUPA, UMTS, and EVDO. This makes the router ideal for remote job sites, temporary offices, rural areas with mobile coverage, and travel scenarios.
Always-Online with WAN Failover & Broadband Compatibility
The router's WAN failover feature ensures your network stays online even when your primary broadband connection drops. It automatically switches to a 3G/4G USB modem connection, keeping your internet running without interruption. The TL-MR3420 is also compatible with most Indian broadband providers using RJ-45 Ethernet connections, including Airtel Fibrenet, ACT Broadband, Hathway, Tikona, You Broadband, and Siti Broadband.
Refurbished and Professionally Tested
This product is sold as a refurbished router, professionally inspected and verified for full functionality. The device may show minor cosmetic marks or signs of previous use, and packaging may be generic โ however, it is fully operational and tested for reliable performance. A Seller Warranty from WeKart Online Store is included for added confidence.
Buy with Confidence from WeKart Online Store
WeKart Online Store specialises in tested networking products and refurbished devices trusted by customers across India. Every purchase includes verified functionality, seller warranty coverage, secure packaging, fast pan-India delivery, and dedicated customer support.
| Device / Service Type | Compatible | Connection Type | Notes |
|---|---|---|---|
| 3G/4G USB Data Modems | โ Yes | USB Port | LTE, HSDPA, HSUPA, UMTS, EVDO |
| Airtel Fibrenet | โ Yes | RJ-45 WAN | Ethernet broadband connection |
| ACT Broadband | โ Yes | RJ-45 WAN | Ethernet broadband connection |
| Hathway Broadband | โ Yes | RJ-45 WAN | Ethernet broadband connection |
| Tikona | โ Yes | RJ-45 WAN | Ethernet broadband connection |
| You Broadband | โ Yes | RJ-45 WAN | Ethernet broadband connection |
| Siti Broadband | โ Yes | RJ-45 WAN | Ethernet broadband connection |
| Smartphones | โ Yes | Wi-Fi 2.4GHz | Android & iOS devices |
| Laptops & Desktops | โ Yes | Wi-Fi / LAN | Windows, macOS, Linux |
| Smart TVs | โ Yes | Wi-Fi 2.4GHz | Android TV & other smart TVs |
| Tablets | โ Yes | Wi-Fi 2.4GHz | Android & iPad tablets |
| Gaming Consoles | โ Yes | Wi-Fi / LAN | PS4, Xbox, Nintendo Switch |
๐ Features & Full Specifications
| Brand | TP-Link |
| Model | TL-MR3420 |
| Type | 3G/4G Wireless N Router |
| Wireless Speed | Up to 300Mbps |
| Wireless Standard | IEEE 802.11n / 802.11g / 802.11b |
| Frequency Band | 2.4GHz |
| USB Port | 1 ร USB 2.0 (for 3G/4G modem) |
| Supported Modem Types | LTE, HSDPA, HSUPA, UMTS, EVDO |
| WAN Port | 1 ร RJ-45 10/100Mbps |
| LAN Ports | 4 ร RJ-45 10/100Mbps |
| WAN Failover | Yes โ Auto-switch between WAN & 3G/4G |
| Security | WPA/WPA2, WEP, Firewall |
| Condition | Refurbished โ Professionally Tested |
| Warranty | Seller Warranty from WeKart Online Store |
| Sold By | WeKart Online Store |
๐ฆ What's in the Box
- 1 ร Refurbished TP-Link TL-MR3420 Wireless Router
- 1 ร Power Adapter
- 1 ร Ethernet Cable (may be generic)
- WeKart Online Store Purchase Invoice (GST included)
๐ Compatible Devices & Internet Sources
- Compatible 3G/4G USB dongles โ LTE, HSDPA, HSUPA, UMTS, EVDO modems
- RJ-45 Ethernet broadband โ Airtel Fibrenet, ACT, Hathway, Tikona, You Broadband, Siti
- Smartphones โ Android and iOS (Wi-Fi connection)
- Laptops and desktop computers โ Windows, macOS, Linux
- Tablets โ Android and iPad
- Smart TVs โ Android TV and other Wi-Fi enabled televisions
- Gaming consoles โ PS4, PS5, Xbox, Nintendo Switch
- Streaming devices โ Chromecast, Fire TV Stick, Mi Box
- IP cameras and smart home devices (Wi-Fi enabled)
๐ Suitable For (Use Cases)
- Home Wi-Fi network setup for families and individuals
- Small office internet sharing for multiple employees
- Backup internet connection using 3G/4G USB modem during broadband outages
- Portable Wi-Fi hotspot creation using USB data card while traveling
- Remote job sites and field locations with mobile network coverage
- Temporary office or pop-up workspace internet setup
- Student hostel and PG accommodation Wi-Fi sharing
- Rural areas where fixed broadband is unavailable
- Budget-conscious users looking for an affordable router solution
๐ค Who Should Buy This Product
- Home users needing a budget-friendly Wi-Fi router for everyday internet
- Small business owners requiring a reliable backup internet connection
- Remote workers and freelancers needing flexible internet wherever they are
- Travelers who want a portable Wi-Fi hotspot using a USB data card
- Field engineers, technicians, and professionals at remote job sites
- Students in hostels or PG accommodations needing affordable Wi-Fi
- Users in areas where only mobile internet (3G/4G) is available
- Anyone looking for a cost-effective refurbished networking device
๐ How to Set Up with Broadband Internet (WAN)
Follow these steps to set up the TP-Link TL-MR3420 with your home or office broadband connection.
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1Connect the power adapter โ plug the router's power adapter into the power port and switch on the router. Wait for the indicator lights to stabilise.
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2Connect broadband cable to WAN port โ plug the Ethernet cable from your broadband modem or wall socket into the blue WAN/Internet port on the back of the router.
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3Connect a device to the router โ connect a laptop or PC to one of the yellow LAN ports using an Ethernet cable, or connect to the router's default Wi-Fi network (SSID and password are printed on the router's label).
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4Open the router admin panel โ open a browser and go to http://192.168.0.1 or http://tplinklogin.net. Enter default credentials: username admin, password admin.
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5Run the Quick Setup wizard โ click Quick Setup and select your WAN connection type (Dynamic IP for most broadband providers, or PPPoE if your ISP requires a username/password). Enter details as provided by your ISP.
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6Set your Wi-Fi name and password โ change the default Wi-Fi SSID and password to your preferred credentials for security.
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7Save settings and reboot โ click Save and allow the router to reboot. Your Wi-Fi network is now ready.
๐ฑ How to Set Up with 3G/4G USB Modem (Dongle)
Use these steps to set up the router as a wireless hotspot using a USB 3G/4G data dongle.
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1Power on the router โ connect the power adapter and switch on the router.
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2Insert the USB modem โ plug your compatible 3G/4G USB dongle into the USB port on the back or side of the router. The USB LED on the router should light up.
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3Connect a device to the router โ connect a laptop via LAN cable or connect to the router's Wi-Fi network using the default SSID and password printed on the router's label.
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4Open the router admin panel โ open a browser and go to http://192.168.0.1. Log in with username admin and password admin.
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5Go to 3G/4G settings โ navigate to Network โ 3G/4G. Select your modem from the detected list or manually enter the APN settings provided by your mobile operator (e.g., Airtel: airtelgprs.com, Jio: jionet, Vi: portalnmms).
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6Enable 3G/4G connection โ click Connect and wait for the router to establish the mobile internet connection. The 3G/4G indicator LED should become steady.
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7Set Wi-Fi name and password โ change the default SSID and password for your wireless network security.
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8Save and connect devices โ save all settings. Your router is now broadcasting Wi-Fi using the USB modem internet connection.
๐ About This Refurbished Product
- This is a refurbished product โ previously owned and professionally tested for full functionality.
- The unit may have minor cosmetic marks, scratches, or signs of previous use on the body or ports โ this is normal for refurbished devices.
- Packaging is generic โ original retail box is not included.
- All core functions have been tested and verified including Wi-Fi, WAN port, LAN ports, and USB port.
- Accessories included are functional but may not be original brand accessories.
- Refurbished products offer a cost-effective alternative to purchasing new at reduced price.
- Backed by Seller Warranty from WeKart Online Store.
๐ Additional Details & Important Notes
- This router operates on the 2.4GHz band only โ it does not support 5GHz Wi-Fi.
- Maximum wireless speed is 300Mbps โ actual speeds depend on modem, ISP plan, and signal conditions.
- USB modem compatibility is not universal โ check TP-Link's compatibility list for supported models.
- WAN failover requires both a broadband connection (WAN port) and USB modem to be connected simultaneously.
- Default admin login: IP 192.168.0.1, Username admin, Password admin.
- It is strongly recommended to change the default admin password and Wi-Fi password after first setup.
- Not suitable as a fibre ONT/modem replacement โ requires an existing modem for broadband setups.
- This is a refurbished product โ minor cosmetic imperfections are expected and do not affect functionality.
๐ก๏ธ Warranty Information
| Warranty Type | Seller Warranty |
| Warranty Provider | WeKart Online Store |
| Product Condition | Refurbished โ Professionally Tested |
| Coverage | Hardware failure and functional defects under normal use |
| Not Covered | Physical damage, liquid damage, misuse, or accidental damage |
| Invoice Required | Yes โ GST invoice provided with every WeKart order |
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