Wireless Router Milesight UR35-L04AF-W 4G 2.4 GHz Fast Ethernet

The Milesight UR35-L04AF-W is an industrial-grade 4G LTE cellular router with a 5-port Fast Ethernet interface designed for mission-critical communications. It supports single-band 2.4 GHz Wi‑Fi (802.11n) with up to 65 Mbit/s, Dual SIM redundancy and multiple network protocols, and provides VPN tunnels for secure M2M/IoT connectivity. The device is built with a hardened enclosure and industrial components, supports MiniSIM cards and MicroSD storage, and is specified to operate in a wide temperature range from -40°C to 70°C.

Advantages

The router combines cellular 4G connectivity, 2.4 GHz Wi‑Fi and five Fast Ethernet ports to deliver flexible network access. Dual SIM support and industrial-grade design increase reliability in harsh environments, while VPN and multiple protocol support enable secure remote communications for automation and IoT applications. Integrated interfaces such as PoE-enabled LAN ports, serial ports and digital I/O expand its compatibility with field devices.

Suitable for

• Remote M2M/IoT installations requiring reliable cellular backhaul
• Industrial telemetry and SCADA link-ups in harsh environments
• Edge gateways connecting sensors and serial devices to cloud services
• Sites needing secure VPN access and Dual SIM failover

Key specifications

• Cellular: 4G LTE
• Wi‑Fi: 2.4 GHz (802.11n), up to 65 Mbit/s
• Ethernet: 5 x Fast Ethernet (10/100 Mbit/s), 4 PSE PoE ports
• SIM: MiniSIM, Dual SIM redundancy
• Storage: MicroSD card support
• Environmental: Operating temperature -40°C to 70°C
• Interfaces: Serial ports, digital I/O
• Colour: Black; Weight: 0.481 kg

How to use

Install the Milesight UR35-L04AF-W in a location with sufficient cellular signal and mount it using the recommended hardware. Insert a MiniSIM card (or two for redundancy) and an optional MicroSD card for local storage. Connect field devices to the Ethernet, serial or digital I/O ports and configure network settings through the web interface or supported management tools. Set up VPN tunnels and required network protocols, and configure PoE outputs if powering connected devices.

Recommendations

Deploy the router in ventilated enclosures avoiding direct heat sources; verify SIM provisioning and APN settings before remote deployment. For critical applications, enable Dual SIM failover and monitor connection status using periodic health checks.