1. Introducció
The Mercusys MB113-4G is a portable 4G LTE Wi-Fi N300 router designed to provide internet connectivity using a SIM card. It offers fast 4G LTE speeds, N300 Wi-Fi coverage, and features like VPN, parental controls, and guest networks. Its compact design and USB-C power option make it suitable for various environments, including travel, outdoor use, and small offices.

Figure 1.1: Mercusys MB113-4G Router (Front View)
2. Contingut del paquet
Comproveu que el vostre paquet contingui els elements següents:
- 1x Mercusys MB113-4G 300 Mbps 4G LTE Wireless Router
- 1x adaptador de corrent
- 1x Cable Ethernet RJ45
3. Sobrecàrrega físicaview
Familiarize yourself with the router's ports, buttons, and LED indicators.
3.1 Panell posterior

Figure 3.1: Rear Panel of MB113-4G Router
- Port d'alimentació: Es connecta a l'adaptador de corrent inclòs.
- Port LAN1: Connects to a wired device (e.g., computer, smart TV).
- WAN/LAN2 Port: Can function as a WAN port for a wired internet connection or as a second LAN port.
- Botó WPS/Wi-Fi: Press to activate WPS for easy Wi-Fi connection or press and hold to toggle Wi-Fi on/off.
- Botó de restabliment: Premeu i manteniu premut durant 5-10 segons per restaurar la configuració predeterminada de fàbrica.
- Ranura per a targeta Nano SIM: Inseriu la vostra targeta Nano SIM aquí.
- Port USB-C: For power input, compatible with power banks.
3.2 Indicadors LED
The router features LED indicators on the top panel to show its status:
- LED d'alimentació: Indica l'estat d'alimentació.
- LED d'Internet: Indica l'estat de la connexió a Internet.
- LED Wi-Fi: Indica activitat Wi-Fi.
- LED d'intensitat del senyal (3 LED): Indicate the strength of the 4G LTE signal. More lit LEDs mean stronger signal.
4. Configuració
Follow these steps to set up your Mercusys MB113-4G router.
4.1 Instal·lació de la targeta SIM
Before powering on the router, insert your Nano SIM card.
- Assegureu-vos que l'encaminador estigui apagat.
- Locate the Nano SIM card slot on the rear panel.
- Insert the Nano SIM card into the slot until it clicks into place. Ensure the card is oriented correctly as shown in the diagram.

Figure 4.1: Inserting the Nano SIM Card
Important: Many SIM cards come with a PIN lock enabled by default. Before inserting the SIM into the router, it is highly recommended to insert it into a mobile phone and disable the PIN lock. The router's initial setup process may not prompt for the PIN, leading to connectivity issues if the SIM is locked.
4.2 Encès
Connecteu l’encaminador a una font d’alimentació.
- Connect the included power adapter to the router's Power port and then to a wall outlet.
- Alternatively, for portable use, connect a compatible USB-C power bank to the USB-C port. Ensure the power bank provides 5V.

Figure 4.2: Connecting Power via USB-C
The router will power on, and the LEDs will illuminate. Wait for the Internet LED and Signal Strength LEDs to stabilize, indicating a successful connection to the 4G LTE network.
4.3 Configuració inicial
You can configure the router using a web browser or the Mercusys app.
4.3.1 Via Web Navegador
- Connect your computer to the router via Wi-Fi (SSID and password are on the label at the bottom of the router) or via an Ethernet cable to a LAN port.
- Obre a web navegador i entreu
mwlogin.netor192.168.1.1a la barra d'adreces. - Follow the on-screen instructions to create a login password and complete the initial setup.
4.3.2 Via Mercusys App
- Download the Mercusys app from your mobile device's app store or by scanning the QR code provided in the quick start guide. You can also find it at mercusys.com/app/download-app.
- Connect your mobile device to the router's Wi-Fi network.
- Open the Mercusys app and follow the instructions to add and configure your router.

Figure 4.3: Mercusys App for Router Management
5. Funcionament
Once set up, your MB113-4G router provides internet access to your devices.
5.1 Connexió de dispositius
You can connect devices wirelessly or via Ethernet cable.
- Connexió Wi-Fi: Cerca the Wi-Fi network name (SSID) printed on the router's label and enter the Wi-Fi password.
- Connexió Ethernet: Connect an Ethernet cable from your device to one of the router's LAN ports.
5.2 Funcions avançades
The router offers several advanced features accessible via the web management interface or the Mercusys app:
- Servidor i client VPN: Configure VPN connections for secure remote access.
- Controls parentals: Manage and restrict internet access for specific devices.
- Xarxa de convidats: Crea una xarxa Wi-Fi separada per als convidats, mantenint la teva xarxa principal segura.
- Data Settings: Monitor and manage your data usage to avoid exceeding limits.

Figure 5.1: VPN Server and Client Functionality
6. Placement and Signal Optimization
Optimal placement of the router can significantly impact signal strength and network performance.
- Ubicació: Place the router in a central location within the area where you need Wi-Fi coverage.
- Proximity to Windows: For optimal 4G LTE signal reception, position the router as close as possible to an exterior window. While the signal strength LEDs provide an indication, actual performance can vary significantly based on external placement.
- Obstruccions: Eviteu col·locar el router a prop d'objectes metàl·lics grans, parets de formigó o altres dispositius electrònics que puguin causar interferències.

Figure 6.1: 4G LTE and Wi-Fi Speed Capabilities
7. Manteniment
Regular maintenance helps ensure the router operates efficiently.
7.1 actualitzacions de microprogramari
Periodically check for and install firmware updates to improve performance, add new features, and enhance security. This can typically be done through the web interfície de gestió a Eines del sistema o Actualització de firmware.
7.2 Neteja
Mantingueu el router net i lliure de pols. Feu servir un drap suau i sec per netejar l'exterior. No utilitzeu netejadors líquids ni aerosols.
7.3 Wi-Fi Deactivation
If you wish to deactivate the Wi-Fi signal, note that there is no dedicated physical button for this function. You must disable Wi-Fi through the router's web management interface or the Mercusys app. If you disable Wi-Fi via the app while connected wirelessly, you will lose connection and need to use a wired connection (Ethernet) to re-enable it.
8. Solució De Problemes
Aquesta secció tracta problemes comuns que podeu trobar.
8.1 Sense connexió a Internet
- Comproveu la targeta SIM: Ensure the Nano SIM card is correctly inserted and that its PIN lock has been disabled.
- Intensitat del senyal: Verify the 4G LTE signal strength LEDs. If the signal is weak, try repositioning the router, ideally near a window.
- Configuració de l'APN: En el router web interface or app, check the APN (Access Point Name) settings. These are usually configured automatically, but manual adjustment might be needed for some carriers.
- Pla de dades: Confirm that your SIM card has an active data plan and has not exceeded its data limit.
8.2 Velocitats d'Internet lentes
- Intensitat del senyal: A weak 4G LTE signal will result in slower speeds. Optimize router placement.
- Congestió de la xarxa: During peak hours or in congested areas, 4G LTE speeds may naturally decrease.
- Interferències de Wi-Fi: Ensure your Wi-Fi channel is not congested. Use the router's settings to select a less crowded channel.
- Limitació de dades: Some mobile operators may reduce speeds after a certain amount of data consumption, even on 'unlimited' plans.
8.3 Problemes de connectivitat Wi-Fi
- Wi-Fi activat: Ensure Wi-Fi is enabled on the router (check the Wi-Fi LED). If not, enable it via the web interfície o aplicació.
- Contrasenya correcta: Comproveu que esteu introduint la contrasenya Wi-Fi correcta.
- Distància: Move closer to the router to rule out range issues.
- Límit de dispositius: The router supports up to 32 devices. Ensure you are not exceeding this limit.
9. Especificacions
| Característica | Especificació |
|---|---|
| Nom del model | MB113-4G |
| Marca | MERCUSI |
| Dimensions del producte | 8.4 x 3.4 x 10.8 cm |
| Pes | 350 g |
| Tecnologia de connectivitat | 4G, Wi-Fi |
| Comunicació sense fils estàndard | 802.11n (Wi-Fi 4) |
| Classe de banda de freqüència | Banda única (2.4 GHz) |
| Velocitat de transferència de dades | 300 Mbps (Wi-Fi) |
| Max Upload Data Transfer Rate | 150 Mbps (4G LTE) |
| Nombre de Ports | 2 (1x LAN, 1x WAN/LAN) |
| LAN Port Bandwidth | 100 Mbps |
| Nombre d'antenes | 2 |
| Protocol de seguretat | WPA2-PSK |
| Entrada de potència | USB-C (5V), Power Adapter (230V) |
| Dispositius compatibles | Smartphone, PC, etc. |
| Usos recomanats | Travel, Outdoor, Small Office |
| País d'origen | Xina |
| Has Internet Connectivity | Sí |
| Has Security Updates | Sí |
10. Garantia i Suport
10.1 Garantia del producte
The Mercusys MB113-4G router comes with a 3 any de garantiaSi us plau, conserveu el comprovant de compra per a reclamacions de garantia.
10.2 Suport tècnic
For technical assistance, troubleshooting, or further information, please visit the official Mercusys support website or contact their customer service. Details can typically be found on the Mercusys website or in the quick start guide included with your product.

