1. Končanoview
The AT&T Internet Air 5G Gateway (Model NCM1120D2) provides ultra-fast internet connectivity powered by AT&T's 5G network. Designed for business internet data plans, this gateway is Wi-Fi 7 Ready, offering lower latency and increased bandwidth for multiple devices. Its plug-and-play design allows for quick internet access, and an intuitive web Uporabniški vmesnik (Web UI) enables easy network customization. The device supports 4G LTE bands 2, 4, 5, 12, 14, 29, 30, 66, and 5G bands n2, n5, n14, n30, n66, n77. Please note that a Nano SIM card and associated services are not included and must be obtained separately from AT&T.
2. Vsebina paketa
Prepričajte se, da so v vašem paketu prisotni vsi predmeti:
- AT&T Internet Air 5G Gateway (Model NCM1120D2)
- Napajalni adapter
Note: A Nano SIM card and an active AT&T Business Data Plan are required for operation and are not included in this package.
3. Postavitev naprave
Familiarize yourself with the physical components and indicators of your AT&T Internet Air 5G Gateway.

Slika 1: spredaj in zadaj View z označenimi komponentami
Kazalniki na sprednji plošči:
- 5G LED: Prikazuje stanje omrežja 5G.
- 4G LED: Indicates 4G LTE network status.
- WiFi LED: Označuje aktivnost omrežja Wi-Fi.
- SISTEMSKA LED-LUČKA: Prikazuje splošno stanje sistema.
Vrata in gumbi na zadnji plošči:
- External Antenna Ports (ANT): Two SMA connectors for optional external antennas.
- Gumb WPS: Za zaščiteno namestitev omrežja Wi-Fi.
- 2.5 GbE LAN Port (1): High-speed Ethernet port.
- 1 GbE LAN Ports (2, 3, 4): Standard Ethernet ports.
- Vrata za napajanje z enosmernim tokom: Povezuje se z napajalnikom.
- Gumb za ponastavitev na tovarniške nastavitve: Recessed button to restore factory default settings.
- SIM Card Cover: Protects the SIM card slot.
- Reža za kartico SIM: For inserting the Nano SIM card.
- Odzračevanje: For device cooling.
4. Nastavitev
Follow these steps to set up your AT&T Internet Air 5G Gateway:
- Insert Nano SIM Card:
- Locate the SIM Card Cover on the rear panel.
- Previdno odstranite pokrov.
- Insert your activated Nano SIM card into the SIM Card Slot with the gold contacts facing down and the notched corner aligned correctly.
- Replace the SIM Card Cover securely.

Figure 2: Inserting the Nano SIM Card
- Priključite napajalnik:
- Plug the provided power adapter into the DC Power Port on the rear of the gateway.
- Drugi konec napajalnika priključite v stensko vtičnico.
- Power On and Initial Boot:
- The gateway will automatically power on.
- Wait for the SYSTEM LED on the front panel to turn solid white, indicating the device is ready.
- Observe the 5G and 4G LEDs. A solid white light on either indicates a successful cellular connection.
- Optimalna postavitev:
- Place the gateway in an open area, away from obstructions, and preferably near a window for optimal cellular signal reception.
- Avoid placing it near large metal objects, concrete walls, or other electronic devices that may cause interference.
- Povežite naprave:
- Wi-Fi: Use the Wi-Fi network name (SSID) and password found on the device label or in the Web UI to connect your wireless devices.
- Ethernet: For wired connections, plug an Ethernet cable from your device into any of the LAN ports on the rear of the gateway.
5. Navodila za uporabo
Razumevanje indikatorjev LED:
- Solid White (SYSTEM): Gateway is powered on and operating normally.
- Solid White (5G/4G): Connected to 5G or 4G LTE network.
- Solid White (WiFi): Wi-Fi is active and devices are connected.
- Flashing (Any LED): Indicates activity or a specific status (refer to the full online manual for detailed flashing codes).
- No Light (Any LED): Feature is off or not connected.
Dostop do Web uporabniški vmesnik:
The Web UI allows for advanced configuration and monitoring of your gateway.
- Connect a device to the gateway via Wi-Fi or Ethernet.
- Odpri a web browser and enter the default gateway IP address (usually
192.168.1.254or similar, check the device label). - Enter the administrator password (found on the device label) to log in.
- Od Web UI, you can:
- Spremenite SSID in geslo za Wi-Fi.
- Configure advanced network settings (e.g., port forwarding, firewall).
- Monitor connected devices and data usage.
- Posodobite vdelano programsko opremo.
Zaščitena nastavitev Wi-Fi (WPS):
For quick and easy connection of WPS-compatible devices:
- Press the WPS button on the rear of the gateway.
- V dveh minutah aktivirajte WPS na odjemalski napravi.
- Napravi se bosta samodejno povezali.
6. Vzdrževanje
- Čiščenje: Za čiščenje zunanjosti prehoda uporabite mehko, suho krpo. Ne uporabljajte tekočih čistil ali aerosolov.
- Prezračevanje: Ensure the gateway's vents are not obstructed to prevent overheating. Maintain adequate airflow around the device.
- Posodobitve vdelane programske opreme: Redno preverjajte in nameščajte posodobitve vdelane programske opreme prek Web UI to ensure optimal performance and security.
- Ponovni zagon: If you experience connectivity issues, try restarting the gateway by unplugging the power adapter for 10 seconds and then plugging it back in.
7. Odpravljanje težav
- Ni internetne povezave:
- Check if the 5G or 4G LED is solid white. If not, reposition the gateway for better signal.
- Ensure your Nano SIM card is correctly inserted and activated with an AT&T Business Data Plan.
- Ponovno zaženite prehod.
- Počasna internetna hitrost:
- Verify optimal gateway placement.
- Check for network congestion (too many devices connected or high data usage).
- Ensure your devices are using the appropriate Wi-Fi band (5GHz for faster speeds, 2.4GHz for wider range).
- Prekinitve povezave z omrežjem Wi-Fi:
- Preverite motnje drugih elektronskih naprav.
- Prepričajte se, da je vaša naprava v dosegu omrežja Wi-Fi.
- Posodobite gonilnike za Wi-Fi v svoji napravi.
- Tovarniška ponastavitev: If issues persist, a factory reset can resolve many problems. Use a paperclip or similar pointed object to press and hold the recessed Factory Reset Button on the rear panel for about 10 seconds until the LEDs flash. This will erase all custom settings.
8. Specifikacije
| Številka modela | NCM1120D2-D323 |
| Dimenzije paketa | 11.14 x 8.39 x 5.67 palcev |
| Teža predmeta | 2.64 funtov |
| Tehnologija povezljivosti | 5G, Wireless |
| Razred frekvenčnega pasu | Dvopasovni |
| Standard brezžične komunikacije | 802.11ax (Wi-Fi 6/7 Ready) |
| Vrsta antene | Notranji |
| Operacijski sistem | Custom Linux-based operating system |
| Vključene komponente | Prehod |
9. Garancija in podpora
This product is sold as 'Amazon Renewed'. For warranty information and support related to the renewed condition of the device, please refer to the Amazon Renewed program terms and conditions.
For service-related inquiries, data plans, or technical support specific to AT&T Internet Air 5G services, please contact AT&T customer support directly.
You can find additional support resources and the full user manual by visiting the AT&T support website or contacting their customer service.





