CUDY LT400 N300 4G LTE Wi-Fi Router (CUDY LT400)
The Cudy LT400 N300 4G LTE Wi-Fi Router is a versatile cellular networking solution designed to deliver reliable internet access in locations without fixed broadband. Equipped with a built-in nano SIM slot and 4G Cat.4 technology, it provides high-speed mobile internet connectivity for homes, offices, surveillance systems, exhibitions, and remote setups such as RVs. With 300 Mbps Wi-Fi, multiple Ethernet ports, and advanced VPN support, the LT400 ensures stable wireless and wired connectivity. Its plug-and-play design, strong compatibility across regions, and app-based management make it a flexible and convenient internet solution for diverse environments.
Product Features
High-Speed 4G LTE Connectivity
Supports 4G Cat.4 technology with download speeds of up to 150 Mbps, ensuring fast and stable mobile broadband access.
Reliable 300 Mbps Wi-Fi Performance
Delivers up to 300 Mbps on the 2.4 GHz band, providing smooth browsing, streaming, and device connectivity.
Built-In Nano SIM Slot
Includes a dedicated nano SIM slot for direct cellular connectivity without the need for external modems.
Flexible Network Deployment
Supports Cellular Router, Wi-Fi Router, and WISP modes, making it suitable for home, office, and mobile networking environments.
Multi-Device Wired Connectivity
Equipped with 4 Fast Ethernet ports, including a configurable WAN/LAN port for flexible wired network setups.
VPN Server and Client Support
Enables secure remote access and encrypted browsing through VPN protocols such as WireGuard, OpenVPN, PPTP, L2TP, and Zerotier.
Advanced Network Security
Features SPI firewall, DoS protection, and IP filtering to protect connected devices from unauthorized access and threats.
Smart App-Based Management
Managed through the Cudy App or web interface, allowing easy setup, monitoring, and network control from anywhere.
Product Specifications
- Cellular Technology: 4G LTE Cat.4
- Maximum Download Speed: Up to 150 Mbps
- Maximum Upload Speed: Up to 50 Mbps
- SIM Type: Nano SIM slot
- Supported Bands: Region-specific LTE-FDD, LTE-TDD, WCDMA, and GSM bands
- Wi-Fi Standard: Wi-Fi 4 (802.11n)
- Wi-Fi Speed: Up to 300 Mbps (2.4 GHz)
- CPU: 580 MHz single-core MIPS24KEC
- Memory: 64 MB DDR2 RAM
- Flash Storage: 8 MB NOR
- Antennas: 2 × fixed cellular antennas, 2 × Wi-Fi antennas
- Ethernet Ports: 4 × 10/100 Mbps (1 configurable WAN/LAN, 3 LAN)
- WAN Support: DHCP, Static IP, PPPoE
- Security Protocols: WPA, WPA2, WPA3
- VPN Support: WireGuard, OpenVPN, PPTP, L2TP, Zerotier
- Firewall Features: SPI firewall, DoS protection, block PING
- Network Features: QoS, VLAN support, IPTV support, IGMP snooping, port forwarding, UPnP, DMZ
- IPv6 Support: SLAAC, DHCPv6, static IPv6, DS-Lite, MAP-E, 464XLAT
- Power Supply: 12V DC, 1A
- Operating Temperature: 0°C to 40°C
- Storage Temperature: -40°C to 70°C
- Humidity Range: 10% to 90% non-condensing
- Installation Type: Desktop or wall-mountable
- Dimensions: 229 × 123 × 32.7 mm
- Weight: Approximately 276–279 g depending on region
- Certifications: FCC, CE
- Management Options: Web UI and Cudy App
- Diagnostic Tools: Ping, traceroute, NSLookup, system logs
- Additional Features: Parental controls, device management, Wi-Fi scheduling, timed reboot, backup and restore
- Internet Failover Support: WAN, WISP, and Cellular priority switching
- Package Contents: LT400 router unit, power adapter, Ethernet cable, installation guide




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