TP-Link TL-MR3420 Wireless N300 3G/4G Router User Manual
Modél: TL-MR3420
1. Bubuka
The TP-Link TL-MR3420 Wireless N300 3G/4G Router is designed to share a 3G/4G mobile broadband connection wirelessly. By connecting a compatible UMTS/HSPA/EVDO USB modem to the router, a Wi-Fi hotspot is instantly established, allowing multiple devices to access the internet. This router also features a 3G/WAN connection backup strategy, ensuring a continuous internet connection by switching between 3G/4G and WAN (Ethernet) connections as needed. It supports wireless N speeds of up to 300Mbps, suitable for various online activities.
2. Eusi Paket
- TP-Link TL-MR3420 Wireless N300 3G/4G Router
- Adaptor kakuatan
- Kabel Ethernet
- Guide Instalasi Gancang
3. Pakakas Ngalangkunganview
3.1 Front Panel and LEDs
The front panel of the router features LED indicators that provide information about the device's status, including power, system, WLAN, WAN, LAN, and 3G/4G connection status.

Gambar: Hareupeun view of the TL-MR3420 router, showing the TP-Link logo and status LEDs.
3.2 Side Panel (USB Port)
The side panel includes a USB 2.0 port, primarily used for connecting a compatible 3G/4G USB modem.

Gambar: Sisi view of the TL-MR3420 router, highlighting the USB port for modem connection.
3.3 Panel Belakang (Palabuhan sareng Tombol)
The rear panel provides various ports and buttons for connectivity and control.
- Palabuhan Daya: Nyambung ka adaptor kakuatan.
- Tombol Daya / Pareuman: Ngahurungkeun atanapi mareuman router.
- Port WAN (Biru): Connects to a DSL/Cable modem for traditional internet access.
- Port LAN (Konéng): Four ports for connecting wired devices like computers or switches.
- Tombol WPS/Reset: Press for WPS function; press and hold for factory reset.
- Panyambung Antenna: Pikeun nyambungkeun dua anteneu éksternal.

Gambar: Tukangeun view of the TL-MR3420 router, displaying the power port, WAN port, LAN ports, WPS/Reset button, and antenna connectors.
4. Setup Guide
4.1 Sambungan fisik
- Pasang Antenna: Screw the two detachable antennas firmly into their connectors on the rear panel.
- Connect 3G/4G USB Modem: Insert your compatible 3G/4G USB modem into the USB port on the side of the router.
- Daya Hurung: Connect the power adapter to the router's power port and plug it into a wall outlet. Press the Power On/Off button if necessary.
- (Optional) Connect to WAN: If using a wired internet connection as a backup or primary, connect an Ethernet cable from your DSL/Cable modem to the blue WAN port on the router.
- (Optional) Connect Wired Devices: Connect your computer or other wired devices to the yellow LAN ports using Ethernet cables.

Image: The TL-MR3420 router with a 3G USB modem connected to its side USB port.
4.2 Konfigurasi Awal (Web Panganteur)
- Nyambung ka router: Connect your computer to the router either via an Ethernet cable to a LAN port or wirelessly using the default Wi-Fi SSID printed on the router's label (e.g., TP-Link_XXXX).
- Aksés Web Browser: Buka a web panyungsi (contona, Chrome, Firefox) teras ketik
http://tplinkwifi.netorhttp://192.168.0.1(atawahttp://192.168.1.1) kana bilah alamat. Pencét Enter. - Lebet: Lebetkeun nami pangguna sareng kecap konci standar, anu biasana
adminfor both. If these do not work, check the label on the bottom of your router. - Jalankeun Setup Gancang: Follow the on-screen Quick Setup Wizard to configure your internet connection and wireless settings.
4.3 3G/4G Connection Setup
During the Quick Setup, select 3G / 4G Router mode. The router will automatically detect your USB modem. You may need to select your region and ISP, and enter APN (Access Point Name) details if prompted. Ensure your 3G/4G USB modem is compatible with the TL-MR3420.
4.4 WAN Connection Setup (Optional)
If you are using a wired internet connection, configure the WAN settings. This can be done via Dynamic IP, Static IP, or PPPoE, depending on your Internet Service Provider (ISP) requirements. The TL-MR3420 supports a 3G/WAN failover strategy, allowing you to set a preferred connection (3G/4G or WAN) and use the other as a backup.
4.5 Wireless Network Setup
Set your desired Wireless Network Name (SSID) and a strong password (WPA/WPA2 Personal recommended) for your Wi-Fi network. This will secure your wireless connection.
5. Ngoperasikeun Router
5.1 Pamahaman Indikator LED
| LED | Status | Indikasi |
|---|---|---|
| Kakuatan | On | Router is powered on. |
| Sistim | Kedip-kedip | Router jalan normal. |
| WLAN | Hurung/Kedip-kedip | Wireless function is enabled/data is being transmitted. |
| WAN | Hurung/Kedip-kedip | WAN port is connected/data is being transmitted. |
| LAN (1-4) | Hurung/Kedip-kedip | Corresponding LAN port is connected/data is being transmitted. |
| 3G/4G | Hurung/Kedip-kedip | 3G/4G modem is connected and working/data is being transmitted. |
5.2 Nyambungkeun Alat
- Alat nirkabel: Milarian pikeun your Wi-Fi network (SSID) on your device and enter the password you configured.
- Alat kabel: Connect an Ethernet cable from your device to any of the yellow LAN ports on the router.
5.3 Gagalna 3G/WAN
The router can be configured to use either 3G/4G or WAN as the primary internet connection, with the other serving as a backup. If the primary connection fails, the router will automatically switch to the backup, ensuring continuous internet access. This setting can be managed in the router's web interface under Network > WAN Backup.
6. Pangropéa
6.1 Ngaronjatkeun firmware
Pariksa sacara rutin sareng pasang apdet firmware ti TP-Link resmi website. Firmware updates can improve performance, add new features, and fix bugs. Download the correct firmware for your model and follow the instructions provided on the TP-Link support page for upgrading via the web interface (System Tools > Firmware Upgrade).
6.2 Nyadangkeun tur Mulangkeun Konfigurasi
Anjeun tiasa nyadangkeun setélan konfigurasi router anjeun ka file on your computer. This allows you to restore your settings quickly after a factory reset or if you need to revert to a previous configuration (System Tools > Backup & Restore).
6.3 Reboot Sistim
If the router is experiencing issues, a simple reboot can often resolve them. You can reboot the router from the web interface (System Tools > Reboot) or by unplugging and replugging the power adapter.
6.4 Reset pabrik
A factory reset will revert all settings to their default values. This can be done by pressing and holding the WPS/Reset button on the rear panel for approximately 5-10 seconds until the System LED flashes rapidly, or via the web interface (System Tools > Factory Defaults).
7. Cara ngungkulan
- Teu tiasa ngaksés internét:
- Check LED indicators: Ensure Power, System, WLAN, and 3G/4G (or WAN) LEDs are on or flashing correctly.
- Verify physical connections: Ensure all cables are securely connected.
- Check 3G/4G modem: Ensure it is properly inserted and recognized by the router.
- Confirm ISP settings: Verify that your 3G/4G or WAN settings (APN, connection type) are correct in the router's web panganteur.
- Reboot router sareng modem.
- Masalah sambungan nirkabel:
- Ensure WLAN LED is on/flashing.
- Verify correct Wi-Fi SSID and password.
- Move closer to the router to check signal strength.
- Change wireless channel in router settings to avoid interference.
- Kecepatan internét laun:
- Check your 3G/4G signal strength or WAN connection speed.
- Ensure no other devices are heavily using bandwidth.
- Apdet firmware router.
8. Spésifikasi
| Fitur | Rincian |
|---|---|
| Ngaran modél | TL-MR3420 |
| Tanpa kabel | IEEE 802.11n, 802.11g, 802.11b |
| Laju nirkabel | Nepi ka 300Mbps |
| Pita frékuénsi | 2.4 GHz |
| Jenis anteneu | 2x 5dBi Detachable Omni Directional Antennas |
| Antarbeungeut | 1x 10/100Mbps WAN Port, 4x 10/100Mbps LAN Ports, 1x USB 2.0 Port |
| Kancing | WPS/Reset Button, Power On/Off Button |
| Ukuran (W x D x H) | 11.34 x 8.9 x 2.8 inci (Diménsi Produk) |
| Item Beurat | 9.5 ons |
| Sasayogian tanaga | 12VDC / 1A (External Power Adapter) |
| Kaamanan nirkabel | Énkripsi WEP 64/128-bit, WPA/WPA2, WPA-PSK/WPA2-PSK |
| Alat nu cocog | Personal Computer, UMTS/HSPA/EVDO USB Modems |
9. Garansi jeung Rojongan
9.1 Garansi Produk
The TP-Link TL-MR3420 Wireless N300 3G/4G Router typically comes with a 2-year limited warranty. Please refer to the warranty card included in your package or visit the official TP-Link websitus pikeun istilah jaminan lengkep jeung kaayaan husus pikeun wewengkon Anjeun.
9.2 Rojongan Téknis
For technical assistance, troubleshooting, or further inquiries, please visit the official TP-Link support website. You can find FAQs, firmware updates, and contact information for customer support.
- Rojongan TP-Link Websitus: www.tp-link.com/support/





