Milesight UR35-L0GEU-P Industrial 4G Router with POE Out

Milesight UR35-L04EU-P With PoE Out

The Milesight UR35-L04EU-P (UR35-L04EU-P) is an industrial 4G LTE Cat 4 router with dual SIM failover and four 802.3af/at PoE PSE ports. It powers IP cameras, access points, and other PoE devices straight from its LAN ports, so you run one cable to each device. It reaches up to 150 Mbps download and 50 Mbps upload across EU LTE bands, with 3G and 2G fallback. RS232 and RS485 serial and isolated digital I/O sit in a rugged IP30 metal enclosure rated from -40 to +70 C. An embedded Python SDK lets you run logic on the device.

Key features

• 4G LTE Cat 4: up to 150 Mbps download and 50 Mbps upload, with 3G and 2G fallback.
• Four PoE PSE ports: 802.3af/at power output on LAN1 to LAN4. Feed the router 48 V DC to enable PoE.
• Dual SIM: two Mini SIM (2FF) slots with automated failover between carriers.
• Five Ethernet ports: 1 WAN and 4 LAN at 10/100 Mbps, with 1.5 kV isolation.
• Serial: 1 x RS232 and 1 x RS485 on a 3.5 mm terminal block, 300 to 230400 bps.
• Digital I/O: 1 isolated input and 1 isolated output for field signalling.
• Industrial processor: NXP ARM Cortex-A7 at 528 MHz, 128 MB RAM, 128 MB flash.
• Protocol support: Modbus RTU to TCP gateway, MQTT, DLMS client, SNMP and TR069.
• VPN suite: OpenVPN, IPsec, WireGuard, ZeroTier, GRE, L2TP, PPTP and DMVPN.
• Rugged build: IP30 metal housing, -40 to +70 C, 9 to 48 V DC input.

What is the UR35 used for?

4G CCTV and remote camera sites

The four PoE PSE ports power IP cameras directly, while the cellular modem backhauls the footage. Use it for construction site CCTV, car park ANPR, and temporary event security where there is no fixed line and no local mains for each camera.

Powered access points and Wi-Fi extension

Run PoE access points from the LAN ports to cover a yard, depot, or cabin from one router. The dual SIM keeps the site online if one network drops.

SCADA and industrial telemetry

The RS485 port and Modbus RTU to TCP gateway connect PLCs, RTUs, and sensors to a central SCADA platform. The isolated digital input and output handle door contacts, alarms, and relay control at the same site.

Smart metering and utility backhaul

The UR35 acts as a DLMS client and speaks Modbus and MQTT, so it backhauls smart meter and grid data over cellular. Use it for substation monitoring, smart metering, and remote grid telemetry where a fixed line is not practical.

Backup WAN for fixed-line sites

Run a wired WAN as primary and let the UR35 fail over to cellular when the line drops. VRRP and link failover keep a branch or unattended site online during an outage.

Pro tip

The UR35-L04EU-P delivers PoE from LAN1 to LAN4, but only when you feed it the right voltage. To power 802.3af/at devices, run the router from a 48 V DC supply at the terminal block. At lower input voltages the LAN ports still pass data, but they will not deliver standard PoE, and cameras or access points will not power up. Size the supply for the total draw of every powered device plus the router itself. When wiring RS485, follow the Milesight convention: RXD to A, TXD to B.

Building a resilient cellular connection

The UR35 carries two SIMs and switches automatically when a carrier drops. For higher resilience, fit SIMs from two networks and add Ethernet as a failover WAN path. Run the router and its PoE devices from a 48 V DC UPS, so a mains blip does not drop the cameras or the link. Milesight DeviceHub gives you remote status, alerts, and firmware control across a fleet from one dashboard.

Frequently asked questions

Does the UR35-L04EU-P supply PoE?

Yes. It has four 802.3af/at PoE PSE ports on LAN1 to LAN4. To enable PoE output you must power the router from a 48 V DC supply at the terminal block. This variant supplies power to devices. It is not a PoE-powered (PD) router.

How much power can each PoE port deliver?

Each port follows the 802.3af (up to 15.4 W) and 802.3at (up to 30 W) standards. The total available across all four ports depends on your 48 V supply and the router power budget. Size your supply for every powered device plus the router.

Can I run a VPN on the UR35?

Yes. The UR35 supports OpenVPN, IPsec, WireGuard, ZeroTier, GRE, L2TP, PPTP and DMVPN. See our guide to VPN on cellular routers for how to pick a tunnel type for remote access.

What SIM card do I need for the UR35?

The UR35 takes two Mini SIM (2FF) cards for dual SIM failover. For remote management and inbound VPN, a fixed IP SIM is best because standard SIMs sit behind carrier NAT. See our fixed IP SIM cards and IoT SIM cards.

What is the operating temperature of the UR35?

The UR35 runs from -40 to +70 C. Cellular performance reduces above 60 C. Storage range is -40 to +85 C.

Does the UR35 support Modbus?

Yes. It works as a Modbus master or server and as a Modbus gateway, converting Modbus RTU on the serial port to Modbus TCP over the network. It also supports MQTT and DLMS.

Related products and further reading

Browse the full range of Milesight industrial routers and our other Milesight 4G routers. For camera sites, see our 4G CCTV range and pair the router with an external 4G antenna. Choose the right IoT SIM card or fixed IP SIM for your deployment.