1. Introducció
The Cudy LT300 is a 4G LTE Wi-Fi Router designed to provide high-speed internet access using a cellular SIM card. It supports LTE download speeds of up to 150 Mbps and Wi-Fi speeds of up to 300 Mbps. This manual provides instructions for setting up, configuring, and maintaining your LT300 router.
2. Contingut del paquet
Si us plau, reviseu atentament el contingut del paquet. Si falta algun article o hi ha algun dany, poseu-vos en contacte amb el vostre distribuïdor.
- Cudy LT300 4G LTE Wi-Fi Router
- Adaptador d'alimentació
- Cable Ethernet
- Detachable LTE Antennas (x2)
- SIM Card Adapters (Nano to Micro, Nano to Standard)
- Guia d'instal·lació ràpida
3. Producte acabatview
3.1. Components de maquinari
Familiarize yourself with the ports, buttons, and LED indicators on your Cudy LT300 router.

Figura 1: Davant view of the Cudy LT300 router, showing the power, Wi-Fi, LTE signal, and LAN/WAN LED indicators.
- LED d'alimentació: Indica l'estat d'alimentació.
- LED Wi-Fi: Indica l'estat del Wi-Fi.
- LTE Signal LEDs: Indicate 4G LTE signal strength.
- LED LAN/WAN: Indica l'activitat del port Ethernet.

Figura 2: posterior view of the Cudy LT300 router, displaying the power port, LAN/WAN ports, SIM card slot, and WPS/Reset button.
- Port d'alimentació: Connecteu l'adaptador d'alimentació inclòs.
- LAN/WAN Ports: Gigabit Ethernet ports for wired connections. One port can function as WAN for wired internet.
- Ranura per a targeta SIM: Inseriu aquí la vostra targeta SIM 4G LTE.
- Botó WPS/Restabliment: Press for WPS function. Press and hold for 5-8 seconds to factory reset.
- Connectors d'antena: Connect the detachable LTE antennas.
4. Configuració
4.1. Install LTE Antennas
Screw the two detachable LTE antennas into the connectors on the rear panel of the router. Ensure they are securely tightened and oriented vertically for optimal signal reception.
4.2. Inseriu la targeta SIM
The Cudy LT300 uses a standard-sized SIM card. If your SIM card is Nano or Micro, use the provided SIM card adapters to fit it into the standard slot.
- Assegureu-vos que l'encaminador estigui apagat.
- Localitzeu la ranura de la targeta SIM al panell posterior.
- Insert the SIM card into the slot with the metal contacts facing down and the notched corner oriented correctly, as indicated on the router. Push until it clicks into place.
- If removing, gently push the SIM card in again until it springs out.

Figura 3: Illustration of inserting a SIM card into the Cudy LT300 router's SIM card slot.
4.3. Encès
Connect the power adapter to the router's power port and then plug the other end into a power outlet. The Power LED will illuminate, and the router will begin to boot up. This process may take approximately 30-60 seconds.
5. Configuració
5.1. Accedint al Web Interfície de gestió
To configure your router, you need to access its webinterfície de gestió basada en
- Connect your computer to the router via Wi-Fi (SSID and password are on the label at the bottom of the router) or an Ethernet cable.
- Obre a web navegador (per exemple, Chrome, Firefox, Edge).
- Escriviu l'adreça IP predeterminada 192.168.10.1 a la barra d’adreces i premeu Retorn.
- Enter the default login credentials. The default username is admin i la contrasenya predeterminada és admin (or as printed on the router label).
- Follow the on-screen instructions for the initial setup wizard, if prompted. It is recommended to change the default login password for security.
5.2. Configuració bàsica del Wi-Fi
Navigate to the "Wireless" or "Wi-Fi Settings" section in the web interface to customize your wireless network.
- SSID (nom de la xarxa): Change the default Wi-Fi network name to a unique name.
- Password (Security Key): Set a strong, secure password for your Wi-Fi network. WPA2-PSK AES is recommended.
- Mode de seguretat: Select WPA2-PSK.
5.3. LTE/Internet Settings
The router should automatically detect your SIM card and configure the LTE connection. If not, you may need to manually configure the APN (Access Point Name) settings provided by your mobile operator.
- Go to the "Network" or "LTE Settings" section.
- Check the connection status. If "Disconnected" or "Limited," verify APN settings.
- Select "Manual" APN configuration if automatic fails and enter the correct APN, username, and password from your mobile operator.
- Save changes and reboot the router if prompted.
5.4. VoLTE Configuration
The Cudy LT300 supports VoLTE functionality. If your SIM card and mobile operator support VoLTE, you may find settings under "Voice" or "VoLTE" in the web interface to enable or configure this feature. Consult your mobile operator for specific VoLTE settings if required.
6. Funcionament
6.1. Dispositius de connexió
- Wi-Fi: On your device (smartphone, tablet, laptop), search for the Wi-Fi network name (SSID) you configured and enter the Wi-Fi password.
- Ethernet: Connect an Ethernet cable from a LAN port on the router to the Ethernet port on your computer or other wired device.
6.2. Indicadors LED
Superviseu els indicadors LED del panell frontal per entendre l'estat del router:
- LED d'alimentació: Solid Green (On), Off (Off).
- LED Wi-Fi: Solid Green (Wi-Fi On), Blinking (Data Transfer), Off (Wi-Fi Off).
- LTE Signal LEDs: Indicate signal strength (e.g., 3 bars for strong, 1 bar for weak).
- LED LAN/WAN: Solid Green (Connected), Blinking (Data Transfer), Off (No Connection).
7. Manteniment
7.1. Actualització del firmware
Regularly check for and install firmware updates to ensure optimal performance and security. Firmware files can usually be downloaded from the Cudy official weblloc.
- Baixeu l'últim firmware file for your LT300 model.
- Accedeix al web interfície de gestió.
- Navigate to "System Tools" or "Firmware Upgrade."
- Carregueu el firmware descarregat file and follow the on-screen instructions. Do not power off the router during the upgrade process.
7.2. Restabliment de fàbrica
A factory reset will restore the router to its default settings. This can be useful for troubleshooting or if you forget your login password.
- With the router powered on, press and hold the WPS/Reset button on the rear panel for 5-8 seconds until the LEDs flash.
- Deixeu anar el botó. El router es reiniciarà amb la configuració predeterminada de fàbrica.
8. Solució De Problemes
- Sense connexió a Internet:
- Check if the SIM card is inserted correctly and activated.
- Verify LTE signal strength via the LED indicators.
- Ensure APN settings are correct in the web interfície.
- Reboot the router and your connected devices.
- No es pot accedir Web Interfície de gestió:
- Assegureu-vos que el dispositiu estigui connectat a la xarxa Wi-Fi del router o mitjançant Ethernet.
- Verify the IP address 192.168.10.1 is typed correctly.
- Prova una altra web navegador.
- Perform a factory reset if you forgot the login password.
- Velocitat Wi-Fi lenta:
- Check LTE signal strength; a weak signal will affect overall speed.
- Ensure the router is placed in a central location, away from obstructions and interference.
- Reduir el nombre de dispositius connectats o d'activitats que requereixen molta amplada de banda.
- Penseu en canviar el canal Wi-Fi del web interfície.
9. Especificacions
| Característica | Descripció |
|---|---|
| Nom del model | LT300 |
| Marca | Cudy |
| Tecnologia de connectivitat | Wi-Fi, 4G LTE |
| Estàndard sense fils | 802.11ac |
| Classe de banda de freqüència | Banda Dual |
| Velocitat de baixada LTE | Fins a 150 Mbps |
| Velocitat Wi-Fi | Fins a 300 Mbps |
| Característiques especials | VoLTE support, 4G LTE functionality |
| Dispositius compatibles | Smartphone, tauleta |
| Sistema operatiu | RouterOS |
| Protocol de seguretat | WPS |
| Ports | Gigabit Ethernet ports (LAN/WAN) |
10. Informació de seguretat
- Do not expose the device to water or humidity.
- No intenteu desmuntar o reparar el dispositiu vosaltres mateixos.
- Utilitzeu només l'adaptador d'alimentació subministrat.
- Mantingueu el dispositiu lluny de fonts de calor i de la llum solar directa.
- Assegureu-vos una ventilació adequada al voltant del dispositiu.
11. Garantia i Suport
For warranty information and technical support, please refer to the warranty card included in the package or visit the official Cudy website. Support resources typically include FAQs, firmware downloads, and contact information.





