1. Sarrera eta Overview
The NETGEAR 4G LTE Modem (LB1120) provides a reliable and flexible internet connection solution. It is designed to offer primary internet access in areas with limited broadband service or to serve as an automatic LTE broadband backup when your fixed wireline connection is unavailable.
This modem is ideal for rural homes, vacation homes, RVs, or as a travel companion, ensuring you stay connected. It features fast 4G LTE speeds, a Gigabit Ethernet port for connecting to your existing WiFi router, and a Micro-SIM card slot.

The NETGEAR LB1120 is ideal for various scenarios, including homes with weak or no broadband service, serving as a primary or alternative internet connection, and for use in RVs, vacation homes, or during travel.

Utilize the LB1120 modem to establish your primary internet connection using 4G LTE technology.
2. Konfigurazioa
Follow these steps for a quick and easy setup of your NETGEAR 4G LTE Modem:
- Insert Micro-SIM Card: Locate the SIM card slot on the modem. Carefully insert your activated 3FF Micro-SIM card into the slot until it clicks into place. Ensure the SIM card is correctly oriented.
- Konektatu energia: Connect the provided power adapter to the modem's power port and then plug it into a wall outlet. The Power LED on the modem should illuminate.
- Konektatu bideratzailera: Use the included Ethernet cable to connect the modem's Gigabit Ethernet port to the WAN (Internet) port of your existing WiFi router.
- Piztu: Press the physical on/off button on the modem to power it on. Wait for the modem to boot up and establish a connection. The signal strength LEDs will indicate the connection status.
- Sarbidea Web Interfazea (Aukerakoa): For advanced configuration, connect a computer directly to your WiFi router (or the modem if using it standalone) and open a web browser. Enter the default IP address 192.168.5.1 in the address bar. The default password is printed on the label on the bottom of the modem.

A visual guide for the easy 5-minute setup: Insert the SIM card into the LTE Modem, then connect the LTE Modem to your WiFi router using an Ethernet cable.

Connect the LB1120 modem to your existing WiFi router to enable fast streaming, downloading, and other internet activities across your network.
3. Funtzionamendua
Once set up, the NETGEAR LB1120 modem operates by converting the 4G LTE cellular signal into a wired internet connection for your network.
LED adierazleak:
The modem features several LED indicators on its top panel to provide status information:
- Power LED: Modema piztuta dagoen adierazten du.
- Seinalearen indarraren LEDak: A series of bars indicating the strength of the 4G LTE signal. More illuminated bars mean a stronger signal, which generally leads to better performance.
- Ethernet LEDa: Indicates activity on the Ethernet port.

Goiena view of the LB1120 modem, highlighting the power indicator and the signal strength LEDs, which provide visual feedback on the cellular connection quality.
Zubi modua:
The LB1120 can be configured to operate in 'bridge mode' via its web interface. In this mode, the modem acts as a simple pass-through device, allowing your connected router to handle all network routing functions. This is often preferred for advanced network setups or when using the modem as a backup internet source.
4. Mantentzea
To ensure optimal performance and longevity of your NETGEAR LB1120 modem, consider the following maintenance tips:
- Lekua: Place the modem in an open area, away from obstructions, to ensure good cellular signal reception and proper ventilation. Avoid placing it near large metal objects or other electronic devices that might cause interference.
- Garbiketa: Keep the modem clean by gently wiping it with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Firmware eguneraketak: Aldian-aldian egiaztatu NETGEAR laguntza website for firmware updates. Firmware updates can improve performance, add new features, and address security vulnerabilities. Updates are typically performed through the modem's web kudeaketa interfazea.
- Potentzia-zikloa: If you experience intermittent connectivity issues, a simple power cycle (unplugging the power adapter for 10 seconds and then plugging it back in) can often resolve the problem.
5. Arazoak
If you encounter issues with your NETGEAR LB1120 modem, try the following troubleshooting steps:
- Potentziarik gabe: Ensure the power adapter is securely connected to the modem and a working electrical outlet. Check the Power LED.
- Seinalerik ez/Seinale eskasa:
- Verify your Micro-SIM card is properly inserted and activated with your mobile service provider.
- Relocate the modem to an area with better cellular reception. Observe the signal strength LEDs.
- Consider using external 4G/3G antennas (sold separately) if signal strength remains low.
- Ez dago Interneteko konexiorik:
- Check the Ethernet cable connection between the modem and your router's WAN port.
- Ensure your mobile service plan has active data and is not throttled or exceeded its data cap.
- Modemaren sarbidea. web interface (192.168.5.1) to check the connection status and ensure the correct APN (Access Point Name) settings are configured for your carrier. Some carriers may require manual APN configuration.
- Reboot both the modem and your connected WiFi router.
- Web Interface Access Issues:
- Ensure your computer is connected to the network provided by the modem or the router connected to it.
- Verify you are typing the correct IP address (192.168.5.1) and password.
- Temporarily disable any VPN or proxy settings on your computer.
6. Zehaztapenak
Key technical specifications for the NETGEAR 4G LTE Broadband Modem (LB1120):
- Modelo zenbakia: LB1120-100NAS
- Neurriak (LxWxH): 4.7 x 3.9 x 1.2 hazbete (119.4 x 99.1 x 30.5 mm)
- Pisua: 6.4 ontza (181.4 g)
- Haririk gabeko mota: Radio Frequency (4G LTE)
- Konektibitate Teknologia: Ethernet
- SIM txartela mota: 3FF Micro-SIM
- LTE kategoria: Category 4 (Up to 150 Mbps download)
- Onartutako LTE bandak: 2, 4, 5, 12 bandak
- Supported 3G UMTS Bands: 2, 5 bandak
- Ethernet ataka: 1 x Gigabit Ethernet WAN port
- Elikadura egokitzailea: 12V DC, 1A
- Sistema eragilearen bateragarritasuna: Microsoft Windows 7, 8, 8.1, 10, Vista, XP; Mac OS (10.6.8 and newer); other operating systems running a TCP/IP network.
- Arakatzailearen bateragarritasuna: Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, Google Chrome 11.0 or higher.
Zer dago Kutxan:
- 4G LTE Modem (LB1120)
- Potentzia-egokigailua
- Ethernet kablea
- Hasierako gida azkarra

Key features of the LB1120 modem include fast 4G LTE speeds (up to 150Mbps download), a Gigabit Ethernet Port, and a Micro-SIM card slot, compatible with major carriers like AT&T and T-Mobile.

The product packaging for the NETGEAR 4G LTE Modem LB1120, detailing its features and system requirements for user reference.
7. Bermea eta Laguntza
Bermeari buruzko informazio zehatza, laguntza teknikoa eta baliabide gehigarriak lortzeko, bisitatu NETGEAR laguntza ofiziala. webgunea.
- Erabiltzailearen eskuliburu ofiziala (PDF): For a comprehensive guide, you can download the official user manual from hemen.
- Produktuaren laguntza orria: Bisitatu www.netgear.com/LB1120_QR_NA for product registration, support, and community forums.





