1. Introduzione
This manual provides essential information for setting up, operating, and maintaining your Zyxel NR5103E 5G WiFi 6 Mesh Router. The NR5103E is an unlocked, refurbished device designed to provide high-speed 5G and WiFi 6 connectivity for home and office environments. It supports both NSA and SA 5G modes, features 4x4 MIMO for enhanced performance, and includes a SIM card slot for mobile broadband access.

2. Contenuto della confezione
Si prega di controllare la confezione per verificare la presenza dei seguenti elementi:
- 1 router Zyxel NR5103E 5G Wi-Fi 6 (bianco)
- 1 x EU/UK Power Adapter (Please ensure you select the correct adapter for your region)
- 1 cavo di rete RJ45
- 1 x Package Box (Note: Due to the router's weight, it may be shipped without the original box to reduce shipping costs.)

3. Specifiche
| Caratteristica | Descrizione |
|---|---|
| Nome del modello | Codice articolo: NR5103E |
| 5G NR Support | NSA & SA modes |
| Velocità di download 5G | Fino a 4.7 Gbps |
| Velocità di caricamento 5G | Fino a 2.5 Gbps |
| Categoria 4G LTE | CAT 19 |
| Velocità di download 4G LTE | Fino a 1.6 Gbps |
| Velocità di caricamento 4G LTE | Fino a 150 Mbps |
| Wi-Fi standard | Wi-Fi 6 (802.11ax, 4×4 UL/DL MU-MIMO) |
| Banda di frequenza Wi-Fi | 2.4GHz & 5GHz (dual-band auto-selection) |
| Wi-Fi Connections Supported | Fino a 64 dispositivi |
| Tipo di antenna | Internal 5G/LTE main & diversity antennas, 4 x External LTE Antenna Ports |
| Porte LAN | 1 x LAN GE Port (RJ45), 1 x LAN/WAN GE Port (RJ45) |
| Interfaccia USB | 1 porte USB 3.0 |
| Slot per scheda SIM | 1 x slot per scheda Micro-SIM |
| Dimensioni (A x L x P) | 227 x 134 mm x 125 mm |
| Peso | Approximately 2KG (with original box) |
| Temperatura di esercizio | Temperatura ambiente: da 0 °C a 40 °C |
| Temperatura di conservazione | Temperatura di funzionamento: -20 °C ~ +70 °C |
| Umidità | 5% ~ 95% (senza condensa) |
| Certificazioni | Certificazione CE, FCC, RoHS |
4. Impostazione
4.1 Connessioni fisiche
- Inserire la carta SIM: Locate the Micro-SIM card slot on the bottom rear of the router. Carefully insert your activated Micro-SIM card into the slot until it clicks into place. Ensure the SIM card is correctly oriented.
- Collegare l'adattatore di alimentazione: Connect the provided power adapter to the 'Power' port on the rear of the router and then plug it into a power outlet.
- Connessioni Ethernet (facoltative): If you wish to connect devices via Ethernet, use an RJ45 network cable to connect your computer or other network devices to the 'LAN GE' or 'LAN/WAN GE' ports. The 'LAN/WAN GE' port can also be used to connect to an existing modem or router for a wired internet source.
- Antenne esterne (opzionali): For improved signal reception, you can connect up to four external LTE antennas to the 'INT/EXT' ports on the rear of the router.




4.2 Configurazione iniziale
Once powered on, the router will automatically attempt to connect to the 5G/4G network. You can access the router's web management interface for detailed configuration.
- Connettiti al Wi-Fi: On your computer or mobile device, search for the Wi-Fi network name (SSID) printed on the label at the bottom of the router. Connect to this network using the default Wi-Fi password (Key) also found on the label.
- Accesso Web Interfaccia grafica: Aprire un web browser and enter the default login address (e.g.,
http://192.168.1.1orhttp://zyxel.home) found on the router's bottom label. - Login: Inserisci il nome utente e la password predefiniti (ad esempio,
adminfor both) as indicated on the label. You will be prompted to change the default password for security reasons. - Segui la procedura guidata di installazione: IL web interface may guide you through an initial setup wizard to configure basic settings like time zone, Wi-Fi name, and password.

5. Istruzioni per l'uso
5.1 Accensione/spegnimento
To power on the router, ensure the power adapter is connected and plugged in. The router will automatically start. To power off, simply unplug the power adapter. There might be a dedicated ON/OFF button on the rear panel next to the power port.
5.2 Indicatori LED
Gli indicatori LED sulla parte superiore del router forniscono informazioni sullo stato:
- LED di potenza: Indica lo stato dell'alimentazione.
- LED Internet: Indicates internet connection status (e.g., solid green for connected, blinking for activity).
- 5G/4G Signal Strength LEDs: Multiple LEDs typically indicate the strength of the cellular signal. More lit LEDs mean a stronger signal.
- LED Wi-Fi: Indicates Wi-Fi network status (e.g., solid for active, blinking for data transfer).

5.3 Collegamento dei dispositivi
- Wifi: Use the Wi-Fi name (SSID) and password to connect your wireless devices (smartphones, laptops, tablets, etc.) to the router.
- Collegamento Ethernet: Connect wired devices (desktops, gaming consoles, smart TVs) to the LAN ports using Ethernet cables.
- USB: The USB 3.0 port can be used for connecting external storage devices for network sharing or other compatible peripherals.
5.4 Funzionalità avanzate
- Modalità Ponte: Configure the router to act as a bridge, passing network traffic directly to another router.
- Direzione della banda: Allows the router to intelligently direct devices to the optimal Wi-Fi band (2.4GHz or 5GHz) for better performance.
- Gestione remota: The router supports remote management via TR-069 (TR-181 and TR-143 speed test) and a web GUI.
- Applicazione mobile Zyxel: Download the official Zyxel mobile app (available for iOS and Android) for convenient management and monitoring of your router.
6. Manutenzione
- Aggiornamenti firmware (FOTA): The router supports Firmware Over-The-Air (FOTA) updates. Regularly check for and install firmware updates through the web management interface or Zyxel mobile app to ensure optimal performance, security, and access to new features.
- Pulizia: Mantenere il router pulito e privo di polvere. Utilizzare un panno morbido e asciutto per pulire l'esterno. Non utilizzare detergenti liquidi o spray.
- Condizioni ambientali: Ensure the router is placed in a well-ventilated area, away from direct sunlight, heat sources, and moisture. Operate within the specified temperature (0 °C ~ 40 °C) and humidity (5% ~ 95% non-condensing) ranges.
- Riavvio: Se riscontri problemi di rete, prova a riavviare il router scollegando l'adattatore di alimentazione, attendendo 10 secondi e ricollegandolo.
7. Risoluzione Dei Problemi
7.1 Nessuna connessione Internet
- Controlla la scheda SIM: Ensure the Micro-SIM card is correctly inserted and activated with a data plan.
- Controlla la potenza del segnale: Observe the 5G/4G signal strength LEDs. If the signal is weak, try repositioning the router or connecting external antennas.
- Controllare i cavi: Verify all Ethernet cables are securely connected.
- Riavvia il router: Power cycle the router by unplugging and replugging the power adapter.
- Controlla le impostazioni APN: Nel web management interface, verify that the Access Point Name (APN) settings match those provided by your mobile network operator.
7.2 Problemi di connettività Wi-Fi
- Password errata: Controlla attentamente la password del Wi-Fi.
- Intervallo del router: Ensure your device is within the Wi-Fi range of the router.
- Interferenza: Allontanare il router da altri dispositivi elettronici che potrebbero causare interferenze (ad esempio forni a microonde, telefoni cordless).
- Direzione della banda: If experiencing issues, try disabling band steering in the router settings to manually select 2.4GHz or 5GHz.
7.3 Velocità lente
- Potenza del segnale: A weak 5G/4G signal will result in slower speeds. Improve signal by repositioning or using external antennas.
- Congestione della rete: Le prestazioni possono essere influenzate dalla congestione della rete del tuo operatore di telefonia mobile.
- Funzionalità del dispositivo: Assicurati che i tuoi dispositivi connessi supportino il Wi-Fi 6 per prestazioni wireless ottimali.
- Firmware: Assicurarsi che il firmware del router sia aggiornato.
7.4 Router Unresponsive
- Ciclo di alimentazione: Scollegare l'adattatore di alimentazione, attendere 10 secondi e ricollegarlo.
- Ripristino di fabbrica: If the router remains unresponsive, you may need to perform a factory reset. Locate the 'RESET' button (often a small pinhole) on the bottom or rear of the router. Use a paperclip to press and hold the button for about 10 seconds until the LEDs flash, then release. This will restore all settings to factory defaults.
8. Suggerimenti per l'utente
- Compatibilità con il vettore: This router is unlocked and compatible with various carriers, provided they operate on the supported 5G (n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78) and 4G/LTE (B1, B3, B5, B7, B8, B20, B28, B32, B38, B40, B41, B42, B43) bands. Always verify your carrier's bands before use.
- Condizioni ricondizionate: As a refurbished unit, the NR5103E is tested to work well and should have no scratches.
- Antenne esterne: For locations with weaker cellular signals, utilizing the external antenna ports can significantly improve signal strength and data speeds.
- Posizionamento: Position the router in a central location, away from obstructions and potential interference sources, for the best Wi-Fi coverage.
9. Garanzia e supporto
For technical support, firmware updates, and additional resources, please refer to the official Zyxel website or contact Zyxel customer support. You can also utilize the Zyxel mobile app for convenient access to support features and router management.