When engineers and system integrators specify connectivity hardware for demanding IoT and M2M deployments, the router manufacturer matters as much as the cellular standard. Build quality, firmware depth, VPN capability, industrial interface support and long-term vendor stability all determine whether a deployment runs reliably for years or becomes a maintenance burden within months.
Milesight has established itself as one of the most respected names in industrial cellular routing. The range spans compact LTE routers for embedded and space-constrained applications right through to feature-rich 5G models with Wi-Fi 6, PoE output, GPS and edge computing capability via Node-RED and Python scripting. Every model is built on an industrial-grade platform refined since the company was founded in 2011.
This guide covers everything you need to know: the company background, the full product line from entry Lite series to flagship 5G Ultra models, key features and technologies, application use cases across industries, a head-to-head model comparison, and where to buy Milesight routers in the UK.
About Milesight: Industrial IoT Expertise Since 2011
Milesight is a technology company headquartered in Xiamen, China. Founded in 2011 – and known in some earlier markets as Ursalink – the company has built its reputation on industrial-grade quality across a broad portfolio of connected hardware including cellular routers, LoRaWAN gateways and sensors, AI security cameras, and intelligent traffic systems.
The company’s ethos, “Make Sensing Matter”, reflects a focus that goes beyond supplying hardware. Milesight provides the software platforms, management tools and development ecosystems that allow organisations to extract long-term value from connected infrastructure. The DeviceHub centralised management platform and MilesightVPN service ship free with every router, removing the need for third-party management subscriptions that add cost to large-scale deployments.
Milesight holds CE and FCC certification across its router range, and the hardware is built on NXP ARM Cortex and Qualcomm industrial-grade processors rather than the consumer-grade silicon often found in lower-cost alternatives. The cast aluminium IP30-rated enclosures used across the UR series are designed for years of service in control cabinets, vehicle installations and outdoor enclosures – environments where consumer-grade plastic-bodied hardware would fail rapidly.
The router range is divided into three tiers that Milesight refer to as Lite, Pro and Ultra – a logical hierarchy that makes model selection straightforward once you understand where each application sits on the spectrum of feature requirements.
The Milesight Router Range: Lite, Pro and Ultra
The Lite Series: UR32L and UR32S
The Lite series – comprising the UR32L and the UR32S – represents Milesight’s entry point for industrial cellular connectivity. Do not mistake “entry point” for “compromised hardware”. Both the UR32L and UR32S are built on the same NXP industrial-grade processor platform as the rest of the UR range, housed in the same IP30 cast aluminium enclosure, rated to the same -40°C to +70°C operating temperature range, and accepting the same wide-voltage 9V to 48V DC power input.
What differentiates the Lite models from the Pro and Ultra tiers is a deliberate reduction in interface complexity. The UR32L provides two Ethernet ports (one WAN, one LAN) and single-SIM 4G LTE without RS232, RS485, digital I/O or WiFi. The UR32S adds 2.4GHz 802.11b/g/n WiFi to that formula. Both models support the full suite of VPN protocols – OpenVPN, IPSec, L2TP, PPTP, GRE, DMVPN and WireGuard – and integrate with DeviceHub and MilesightVPN for remote management.
The Lite series is the correct choice when the application is straightforward: a single wired connection to a device or small LAN, reliable 4G backhaul, no need for serial device integration or dual-SIM redundancy. Typical applications include ATM connectivity, retail EPOS terminals, data centre out-of-band management, and compact industrial controllers where the router simply needs to provide always-on cellular internet.
The compact physical footprint of the UR32L and UR32S is also a genuine advantage in embedded scenarios. The small form factor fits into tight cabinet installations where a larger router would not be practical.
The Pro Series: UR32 and UR35
The UR32 and UR35 represent the Pro tier – the most widely deployed Milesight routers in industrial automation, energy management and infrastructure monitoring applications.
Milesight UR32 – The Industrial Workhorse
The UR32 is built around the same NXP ARM Cortex-A7 processor as the Lite series but adds the interfaces that industrial deployments typically demand: RS232 serial, RS485 (or RS232 as an option), digital inputs and digital outputs. Dual SIM slots with automatic failover, two Ethernet ports (WAN and LAN), optional WiFi and optional GNSS round out an interface set that covers the vast majority of industrial monitoring and automation use cases.
The UR32 supports Python 3.7 embedded scripting directly on the router. This is a significant differentiator. Edge scripting means that protocol conversion, data preprocessing, local decision logic and MQTT publishing can all run directly on the router without a separate edge server. For applications such as Modbus RTU to MQTT conversion, pulse counter integration or custom alarm logic, the Python environment turns the UR32 from a router into a lightweight edge computing node.
Storage is extendable via a Micro SD slot, useful for local data buffering during connectivity interruptions – a common requirement in remote monitoring applications where data loss during cellular outages is unacceptable.
Milesight UR35 – Full Interface Set with PoE
The UR35 shares the UR32’s processor and software platform but steps up the hardware significantly. Where the UR32 provides two Ethernet ports, the UR35 has five – one WAN and four LAN. Optionally, those four LAN ports support 802.3af/at PoE PSE output, enabling the UR35 to power downstream IP cameras, access points or sensors directly from the router without separate PoE injectors. For CCTV deployments and multi-device installations, this simplifies cabling considerably.
The UR35 includes RS232 and RS485 as standard (not optional), plus digital I/O, optional GNSS and optional WiFi. Dual SIM with automatic failover is built in. The operating temperature range matches the rest of the UR series at -40°C to +70°C, and the wide voltage input (9V to 48V DC) accommodates both 12V and 24V industrial power systems.
Like the UR32, the UR35 supports Python scripting for edge applications, and integrates with DeviceHub and MilesightVPN for centralised remote management.
The UR35 is the reference choice for SCADA outstations, substation automation, smart metering concentrators, multi-camera CCTV systems and any deployment where multiple devices need to be connected and powered from a single router unit.
You can browse and purchase the Milesight UR32-L0GEU-P-W-485 from RouterStore – the Pro series UR32 variant with WiFi, RS485 and PoE option.
The Ultra Series: UR75 5G Router
The UR75 is Milesight’s flagship industrial router – an Ultra-series 5G model that brings together the highest-specification cellular hardware with the richest set of industrial interfaces in the range.
At the cellular level, the UR75 supports 5G Sub-6GHz (SA and NSA modes), delivering peak download speeds up to 4.67 Gbps where 5G coverage is available, with automatic fallback to 4G LTE and 3G. The upgraded Qualcomm quad-core ARM Cortex-A55 processor provides significantly more computing headroom than the earlier UR series models – headroom that the UR75 puts to use through Wi-Fi 6 (802.11ax, 2.4GHz and 5GHz dual-band concurrent connections up to 1.8 Gbps), Node-RED support for visual flow programming, and enhanced edge computing capability.
Hardware interfaces on the UR75 include five Gigabit Ethernet ports (WAN and LAN), RS232 and RS485, digital inputs and digital outputs, GPS/GNSS, dual SIM with failover and optional PoE PSE output. USB 3.0 (Type-C) provides an additional option for power supply, network supply or debug. Memory is 512MB RAM with 8GB flash.
The UR75’s Node-RED integration deserves particular attention. Node-RED is a widely-used open-source flow-based programming tool that allows complex device integrations, API connections and data processing workflows to be built and deployed visually. Running Node-RED at the edge on the UR75 means that MQTT publishing, HTTP data pushing, protocol translation and local alerting logic can all be handled on the router itself – reducing cloud dependency and maintaining local function during connectivity interruptions.
Like all Milesight routers, the UR75 is rated for -40°C to +70°C operation in its IP30 cast metal housing, accepts 9V to 48V DC input, and integrates with DeviceHub and MilesightVPN.
The Milesight UR75-504AE-P-W2 is available from RouterStore – this is the PoE PSE-capable variant with Wi-Fi 6, GPS and 5G cellular.
The UF31: Milesight’s 5G USB Dongle
The UF31 is a 5G USB dongle that takes Milesight’s cellular expertise and packages it in a form factor that connects to any device with a USB port. The UF31 provides 5G Sub-6GHz connectivity without requiring a standalone router, making it the right choice for scenarios where an existing computing platform – an edge server, a mini PC, a vehicle-mounted system – needs 5G connectivity added without the physical footprint of a separate router unit.
The UF31 supports the full range of 5G, 4G LTE, 3G and 2G fallback standards, covers the key European and UK sub-6GHz frequency bands, and is compatible with Windows, Linux and Android operating systems. For deployment on Linux platforms – common in industrial edge computing – the UF31 presents as a standard network interface and requires minimal driver configuration.
The Milesight UF31 5G USB dongle is available from RouterStore.
Key Features Across the Milesight Router Range
Industrial-Grade Build Quality
Every Milesight router in the UR series is housed in a cast aluminium enclosure with IP30 environmental protection, rated for operation from -40°C to +70°C (-40°F to +158°F). This is not desktop-class hardware – these routers are designed for permanent installation in control cabinets, telecommunications enclosures, vehicle installations and outdoor equipment bays where temperature extremes, vibration and electrical interference are part of the operating environment.
The wide-voltage DC input (9V to 48V across most models, 5V to 24V on the UR41) means Milesight routers work directly from 12V automotive systems, 24V industrial power rails and solar-charged battery systems without requiring additional power conditioning. Hardware watchdog circuitry monitors the system state and automatically recovers the router from software faults – a critical capability in remote deployments where manual reboots would require a site visit.
Comprehensive VPN Support
All Milesight routers support the full range of VPN tunnel protocols: OpenVPN, IPSec, L2TP, PPTP, GRE, DMVPN and WireGuard. ZeroTier is also supported on Pro and Ultra series models, enabling peer-to-peer encrypted mesh networking without requiring a dedicated VPN server.
MilesightVPN is the company’s proprietary web-based VPN management platform, provided free to all customers. It simplifies VPN configuration for large deployments – instead of manually configuring individual tunnel endpoints, MilesightVPN handles authentication, certificate management and connection status monitoring from a single interface. For organisations running dozens or hundreds of remote router installations, this significantly reduces the overhead of maintaining a secure network.
Dual SIM Failover
Pro and Ultra series models include two SIM card slots with automatic failover logic. If the primary SIM loses connectivity – whether due to network outages, coverage gaps or SIM faults – the router switches to the secondary SIM automatically and seamlessly, without requiring manual intervention. When primary connectivity restores, the router switches back. This dual-SIM redundancy is essential for applications where downtime carries a commercial or operational cost: ATMs, SCADA outstations, EV charge points, and any monitoring application where a missed reading has consequences.
The dual SIM architecture also enables multi-network deployments: primary SIM on one network carrier, secondary SIM on a different carrier, ensuring that a single network outage cannot take the connection down.
Rich Industrial Interfaces
The UR32, UR35, UR75 and related Pro/Ultra models include RS232 and RS485 serial ports, digital inputs and digital outputs. These interfaces are what elevate Milesight routers above connectivity-only hardware.
RS485 serial is the dominant interface standard for industrial equipment: energy meters using Modbus RTU, PLCs, RTUs, environmental sensors, flow meters, building management controllers. The ability to connect these devices directly to the router – without a separate serial-to-Ethernet converter – simplifies installation and reduces points of failure. The router reads the Modbus registers directly and forwards the data over cellular to the SCADA system, MQTT broker or cloud platform.
Digital inputs and outputs extend this further. A dry contact digital input can capture alarm states, door open/close events, level switch status or any other binary signal. A digital output can trigger relays, sirens or actuators in response to logic conditions – either locally via Python scripting or remotely via commands from the management platform.
Edge Computing: Python and Node-RED
The embedded Python 3.7 environment on UR32 and UR35 models, and the Node-RED visual programming environment on the UR75, represent a genuine step forward in what a router can do at the edge.
Python scripting on the router means that Modbus-to-MQTT protocol conversion, custom alarm logic, local data buffering and API integration can all run directly on the router hardware. A UR32 installed at a remote substation can read energy meter data via Modbus RTU, calculate derived values, buffer readings locally, and publish structured MQTT messages to the cloud platform – all without any external processing hardware.
Node-RED on the UR75 takes this further. The visual flow-based programming model is accessible to engineers who are not professional developers, and Node-RED’s large library of community nodes means it can integrate with virtually any cloud platform, API or protocol. A UR75 running Node-RED can simultaneously ingest data from serial devices, publish to multiple MQTT brokers, call REST APIs, trigger alerts and log data to local storage – all from a single flow configuration.
These capabilities are not add-on features available at extra cost. They are built into the standard firmware across the appropriate model tiers.
DeviceHub: Centralised Remote Management
DeviceHub is Milesight’s centralised device management platform, provided free to all customers. For deployments involving more than a handful of routers, DeviceHub is the tool that makes large-scale operations manageable.
From the DeviceHub interface, operators can remotely configure individual routers or push configuration profiles to groups of devices simultaneously. Firmware upgrades can be scheduled and deployed in bulk across entire fleets without manual per-device intervention. Real-time status monitoring shows cellular signal quality, connection state, VPN tunnel health and device uptime for every managed router. System logs can be retrieved remotely without physical access.
For organisations managing 50, 100 or 500 router installations, the reduction in field maintenance visits that DeviceHub enables has a measurable impact on operational cost. A configuration change that would previously require an engineer visit to a remote site can be pushed from the office in minutes.
Security Architecture
Milesight routers implement security at multiple layers. Firewall features include Stateful Packet Inspection (SPI), ACL (Access Control Lists), DMZ support, NAT traversal and DoS/DDoS protection including SYN-Flood mitigation. AAA (Authentication, Authorisation and Accounting) support via RADIUS, TACACS+ and LDAP provides enterprise-grade access control with multiple user privilege levels.
Data in transit is protected by the VPN protocols described above. The router firmware supports automated security policy enforcement and remote configuration hardening through DeviceHub.
The DLMS protocol support on UR32 and UR35 models – the global standard for smart meter communication – enables secure, authenticated communication with utility metering infrastructure, a requirement in energy and grid applications where data integrity is regulated.
Milesight Router Applications: Where They Perform
Industrial Automation and SCADA
The RS485/RS232 serial interfaces on the UR32, UR35 and UR75 make these routers the natural choice for SCADA (Supervisory Control and Data Acquisition) applications. Remote terminal units (RTUs) and programmable logic controllers (PLCs) across oil and gas, water treatment, electrical grid and manufacturing environments all commonly communicate via Modbus RTU over RS485.
A Milesight UR32 or UR35 at a remote SCADA outstation replaces the previous combination of a cellular modem, a serial-to-Ethernet converter and a separate router with a single device. The router polls the connected equipment, buffers data locally if connectivity is interrupted, and forwards telemetry over a secure VPN tunnel to the SCADA head-end. Python scripting enables local watchdog logic that can trigger relay outputs in response to alarm conditions – even if the cellular connection is temporarily down.
Real-world deployment: Italian rail freight operators have deployed Milesight UR32 routers for real-time train monitoring and remote management, achieving reliable telemetry performance in a challenging mobile environment.
Smart Metering and Utility Infrastructure
The DLMS protocol support built into the UR32 and UR35 makes these routers directly applicable to smart metering infrastructure. Automated meter reading (AMR) concentrators, substation remote terminal units, and grid monitoring outstations all benefit from a router that speaks the meter communication protocols natively. The dual SIM failover and wide temperature operation ensure that metering data reaches the head-end reliably regardless of network conditions.
For grid operators and utilities deploying across hundreds of sites, DeviceHub’s centralised firmware management and bulk configuration capabilities directly reduce the operational cost of maintaining the router fleet.
4G and 5G CCTV Backhaul
The combination of WAN failover, multiple LAN ports and VPN support makes Milesight routers – particularly the UR35 with its optional PoE output – well-suited to IP CCTV deployments at locations without fixed broadband.
The UR35 with PoE PSE can power up to four IP cameras directly from its LAN ports, eliminating the need for separate PoE switches or injectors. VPN tunnels connect the NVR or camera streams back to the monitoring centre over encrypted cellular backhaul. For temporary CCTV at construction sites, events, and infrastructure monitoring points, this is a complete solution in a single DIN-rail-mountable unit.
The UR75 5G takes CCTV backhaul further by enabling 4K and multi-stream video transmission at throughput levels that 4G could not reliably sustain. For high-definition remote surveillance where image quality cannot be compromised, 5G backhaul via a UR75 provides the bandwidth headroom needed.
Fleet and Vehicle Connectivity
The GNSS capability available on UR35, UR41, UR75 and UF51 models makes Milesight routers deployable in vehicle and mobile applications. GPS tracking, journey logging and vehicle telematics can run locally on the router via Python or Node-RED, with position data transmitted to fleet management platforms over cellular.
The wide-voltage input on the UR series (9V to 48V) is directly compatible with 12V and 24V vehicle electrical systems. For heavy goods vehicles, buses, trains and utility vehicles, the industrial operating temperature range and robust enclosure design means the router handles the vibration, condensation and temperature extremes of vehicle installations without the reliability issues that consumer-grade hardware would exhibit.
Energy Monitoring and Renewable Integration
Solar farms, wind turbine sites, battery energy storage systems (BESS) and EV charging infrastructure all share similar connectivity requirements: reliable always-on cellular backhaul, wide-voltage DC power input, resistance to outdoor temperature extremes, and the ability to communicate with energy management systems via Modbus or other serial protocols.
The UR32 and UR35 are deployed extensively in energy monitoring applications across Europe. The wide-voltage input means they can be powered directly from the site DC bus without additional power supplies. RS485 connects directly to inverters, charge controllers and smart meters. Python scripting handles local alarm logic – for example, tripping a relay via digital output if a solar inverter reports a fault, independent of cloud connectivity.
For EV charging networks specifically, the UR35’s PoE output can power charge point controllers directly, while cellular backhaul connects the charge points to the network management platform for billing, status monitoring and remote configuration.
Building Management Systems
BMS controllers, HVAC management units, access control systems, smart lighting controllers and energy monitoring nodes in commercial buildings all need reliable cellular backhaul when fixed network connections are unavailable or when adding to an existing building’s infrastructure is impractical.
The UR35 and UR32 connect directly to BACnet, Modbus and other building automation protocols via serial interfaces, forwarding building data to FM platforms, energy management dashboards and CAFM systems over secure VPN tunnels. The DeviceHub management platform allows facilities management contractors to monitor and configure the entire building connectivity fleet from a single interface.
ATM and Financial Services
Milesight routers are deployed in ATM connectivity applications globally. The compact UR32L form factor fits inside ATM cabinets without requiring significant space. VPN support ensures that all ATM communications are encrypted in compliance with PCI DSS requirements. The hardware watchdog provides automatic recovery from software faults, and the dual-SIM failover on Pro models means an ATM stays online even if the primary cellular carrier experiences an outage.
The combination of small form factor, robust industrial design, certified security features and carrier-grade availability makes the Milesight UR32 a preferred choice for financial services cellular connectivity.
Smart Cities and Public Infrastructure
Smart parking sensors, intelligent street lighting controllers, public safety monitoring, environmental air quality nodes and traffic management systems all require cost-effective, reliable cellular connectivity at scale. The Lite series UR32L and UR32S – compact, low-power and straightforward to configure – are appropriate for these high-volume, lower-complexity deployments.
DeviceHub’s bulk configuration and remote firmware upgrade capabilities are particularly valuable for smart city deployments where the number of connected devices can be large and field maintenance is costly. A firmware security update that would take weeks to push manually to hundreds of deployed nodes can be scheduled and deployed across the entire fleet from DeviceHub in a matter of hours.
Milesight Router Model Comparison
The table below summarises the key specifications and differentiators across the main Milesight router models available through UK distributors.
| Feature | UR32L (Lite) | UR32S (Lite+WiFi) | UR32 (Pro) | UR35 (Pro+PoE) | UR75 (Ultra 5G) |
|---|---|---|---|---|---|
| Cellular Standard | 4G LTE CAT4 | 4G LTE CAT4 | 4G LTE CAT4 | 4G LTE CAT4 | 5G Sub-6GHz |
| SIM Slots | 1 | 1 | 2 (failover) | 2 (failover) | 2 (failover) |
| Ethernet Ports | 2 (1WAN+1LAN) | 2 (1WAN+1LAN) | 2 (1WAN+1LAN) | 5 (1WAN+4LAN) | 5 Gigabit |
| WiFi | No | 2.4GHz (b/g/n) | Optional | Optional | Wi-Fi 6 (2.4+5GHz) |
| RS232 | No | No | Yes | Yes | Yes |
| RS485 | No | No | Yes (optional) | Yes | Yes |
| Digital I/O | No | No | Yes | Yes | Yes |
| GPS/GNSS | No | No | Optional | Optional | Yes |
| PoE Output | No | No | No | Optional | Optional |
| Python SDK | No | No | Yes (3.7) | Yes (3.7) | No |
| Node-RED | No | No | No | No | Yes |
| USB | No | No | No | No | USB 3.0 (Type-C) |
| Micro SD | No | No | Yes | Yes | Yes |
| Voltage Input | 9-48V DC | 9-48V DC | 9-48V DC | 9-48V DC | 9-48V DC |
| Operating Temp | -40 to +70C | -40 to +70C | -40 to +70C | -40 to +70C | -40 to +70C |
| Housing | Cast aluminium IP30 | Cast aluminium IP30 | Cast aluminium IP30 | Cast aluminium IP30 | Cast aluminium IP30 |
| DeviceHub | Yes | Yes | Yes | Yes | Yes |
| MilesightVPN | Yes | Yes | Yes | Yes | Yes |
| VPN Protocols | Full suite | Full suite | Full suite + ZeroTier | Full suite + ZeroTier | Full suite + ZeroTier |
Milesight Router Software: Firmware, Protocols and Management
Firmware and Web Interface
All Milesight routers run a Linux-based firmware with a web-based management interface accessible via HTTP or HTTPS over LAN or WiFi. The interface is well-structured and consistent across the range – an engineer familiar with one UR series model will find the configuration flow intuitive on any other.
Protocol support across the range includes TCP/IP, UDP, ICMP, DHCP, DNS, NTP, HTTP/HTTPS, FTP, SMTP, Telnet, SSH, SNMP v1/v2c/v3, TR069, MQTT, and VRRP. The breadth of protocol support means that Milesight routers integrate without modification into virtually any existing NMS or cloud IoT platform.
SNMP and TR069 for Network Management
SNMP (Simple Network Management Protocol) support allows Milesight routers to be integrated into existing network management platforms alongside other infrastructure equipment. SNMP traps can be configured to alert the NMS on connectivity loss, cellular signal degradation, SIM failover events and hardware faults.
TR069 (CWMP) support enables management by carrier-grade auto-configuration servers (ACS), which is important for operators deploying Milesight routers as part of a managed connectivity service.
MQTT for IoT Platform Integration
Native MQTT support means Milesight routers can publish telemetry data directly to IoT platforms – AWS IoT Core, Azure IoT Hub, Google Cloud IoT, ThingsBoard, and any other MQTT-compatible broker – without requiring intermediate protocol conversion hardware. Combined with the Python scripting capability on Pro series models, the router can subscribe to MQTT topics and act on downlink commands, enabling remote control of connected devices via the IoT platform.
Comparing Milesight Routers to Other Industrial 4G Router Brands
Milesight operates in a competitive market alongside other well-regarded industrial router manufacturers. Understanding where Milesight sits relative to the alternatives helps in making the right platform decision for a specific deployment.
Milesight vs Teltonika
Teltonika is a Lithuanian manufacturer with a widely deployed range of industrial routers including the RUT200, RUT901 and RUT906. Teltonika’s RutOS firmware is highly regarded for its feature depth, and the Teltonika ecosystem includes a strong network of UK resellers and a comprehensive device management platform (RMS). Teltonika routers tend to have a plastic enclosure on smaller models, while Milesight uses cast aluminium throughout. Both manufacturers offer comparable VPN protocol support, dual SIM failover and industrial interface options. Milesight’s Python and Node-RED edge computing capability, and the breadth of their software ecosystem (DeviceHub, MilesightVPN), are areas where the two manufacturers take different approaches to similar problems.
Milesight vs Proroute
Proroute’s H820 and H685 are UK-built industrial 4G routers targeting M2M applications. The Proroute range prioritises simplicity and reliability in a compact form factor, with a strong track record in CCTV, energy monitoring and site connectivity. Proroute routers do not carry the serial interface, digital I/O or edge computing capabilities of the Milesight Pro and Ultra series, but for straightforward cellular connectivity with multiple LAN ports, the H820 and H685 are well-proven and cost-effective options.
The right choice between these manufacturers depends on the specific requirements. For serial device integration, edge scripting, 5G, or large-scale remote management at hundreds of sites, Milesight’s feature set is compelling. For straightforward cellular connectivity with a proven, simple platform, Proroute and Teltonika offer strong alternatives.
RouterStore stocks hardware from all three manufacturers, allowing side-by-side comparison and procurement from a single UK source.
How to Choose the Right Milesight Router
Choosing between Milesight models comes down to answering four questions clearly:
1. Do you need serial device connectivity (RS232/RS485)? If you are connecting to PLCs, RTUs, energy meters, building controllers or any device with a serial interface, the UR32 or UR35 is the correct tier. The Lite series (UR32L, UR32S) does not include serial interfaces.
2. How many wired devices need to connect? The UR32L, UR32S and UR32 provide two Ethernet ports. If you need to connect four or more wired devices, or need PoE power for downstream equipment, the UR35 (5 Ethernet ports, optional PoE PSE) is the appropriate model.
3. Is 5G required now or in the near future? If the deployment site has 5G coverage and throughput matters – high-definition video backhaul, high-frequency telemetry, large data transfers – the UR75 provides the bandwidth headroom that 4G cannot reliably sustain. For most current M2M and IoT applications, 4G LTE provides more than sufficient throughput.
4. Is edge computing logic required at the router level? If the application requires local data processing, protocol conversion or conditional logic running independently of cloud connectivity, Python on the UR32/UR35 or Node-RED on the UR75 enables this without additional hardware.
For the majority of straightforward cellular backhaul applications – connecting a site, providing WAN failover, or backhauling CCTV – the UR32 covers the requirements at a strong price point. For applications with complex serial device integration, multiple ethernet drops, PoE requirements or 5G, the UR35 and UR75 respectively are the right steps up.
Buy Milesight Routers in the UK
You can browse and purchase the full range of Milesight routers from RouterStore, the UK’s specialist industrial cellular router distributor:
- Milesight UR32-L0GEU-P-W-485 – Pro Series 4G router with RS485, WiFi and PoE
- Milesight UR75-504AE-P-W2 – 5G Ultra router with Wi-Fi 6, GPS and PoE PSE
- Milesight UF31 5G USB Dongle – 5G cellular dongle for USB-connected devices
- Full Milesight Range at RouterStore – all current models, UK stock
Frequently Asked Questions About Milesight Routers
What is Milesight and where are their routers manufactured?
Milesight is an IoT technology company founded in 2011 and headquartered in Xiamen, China. The company designs and manufactures industrial cellular routers, LoRaWAN gateways, sensors and security cameras. The UR series industrial routers are manufactured to CE and FCC standards with industrial-grade components and have been deployed in commercial and industrial applications globally since the early 2010s. The company previously operated the Ursalink brand for its connectivity products before consolidating everything under the Milesight name.
What is the difference between the Milesight UR32, UR35 and UR75?
The UR32 is a Pro series 4G LTE router with two Ethernet ports, dual SIM failover, RS232/RS485, digital I/O and optional WiFi and GPS. The UR35 builds on the UR32 by adding five Ethernet ports (versus two) with optional 802.3af/at PoE PSE output on the four LAN ports. Both the UR32 and UR35 support Python 3.7 edge scripting. The UR75 is the Ultra series 5G flagship – it adds 5G Sub-6GHz cellular, Wi-Fi 6, a more powerful quad-core Qualcomm processor, five Gigabit Ethernet ports and Node-RED visual edge programming. For most 4G industrial applications, the UR32 is the standard choice. The UR35 suits multi-device and CCTV deployments. The UR75 is for 5G applications or those requiring Node-RED edge computing.
Do all Milesight routers support VPN?
Yes. Every Milesight router in the UR series – from the entry-level UR32L through to the UR75 5G – supports OpenVPN, IPSec, L2TP, PPTP, GRE and DMVPN. Pro and Ultra series models also support WireGuard and ZeroTier. MilesightVPN, the company’s proprietary VPN management platform, is provided free to all customers and simplifies VPN configuration for large-scale deployments.
What VPN protocols do Milesight routers support?
Milesight routers support OpenVPN, IPSec (IKEv1 and IKEv2), L2TP, PPTP, GRE, DMVPN, WireGuard and ZeroTier. The full suite is supported across Pro and Ultra series models. Lite series models (UR32L, UR32S) support all protocols except ZeroTier.
What is Milesight DeviceHub?
DeviceHub is Milesight’s centralised device management platform, provided free to all customers. It enables remote configuration, bulk firmware upgrades, real-time status monitoring, system log retrieval and fleet management for deployments of any scale. Engineers can push configuration changes to individual routers or entire groups of devices without requiring physical site access. For organisations managing more than a handful of router installations, DeviceHub is the tool that makes large-scale operations practical.
Can Milesight routers run custom scripts or applications?
Yes. UR32 and UR35 models include an embedded Python 3.7 runtime that allows custom scripts to run directly on the router. The UR75 adds Node-RED support – a visual flow-based programming environment with a large ecosystem of community nodes. These capabilities enable protocol conversion, edge data processing, local alarm logic and IoT platform integration to run directly on the router without requiring a separate edge computing device.
What operating temperature range do Milesight routers support?
All Milesight UR series routers are rated for operation from -40°C to +70°C (-40°F to +158°F). Storage temperature range is -40°C to +85°C. The IP30 cast aluminium housing provides protection against solid particle ingress and is suitable for installation in industrial control cabinets, telecommunications enclosures and vehicle installations.
Do Milesight routers support dual SIM?
Dual SIM (two SIM card slots) with automatic failover and failback is available on Pro and Ultra series models: the UR32, UR35, UR75 and UF51. Lite series models (UR32L, UR32S) have a single SIM slot. On dual-SIM models, the router monitors connectivity on the primary SIM and automatically switches to the secondary if connectivity is lost, then reverts to primary when it restores.
What power input do Milesight routers accept?
The UR32, UR35, UR75 and UF51 accept 9V to 48V DC input, covering 12V and 24V industrial and automotive power systems without requiring additional power conversion. The UR41 accepts 5V to 24V DC and can also be powered via USB, making it suitable for solar installations and 5V embedded systems. All models also accept standard power adapters for desktop or cabinet use.
Can Milesight routers power IP cameras via PoE?
Yes – the UR35 optionally provides 802.3af/at PoE PSE (Power Sourcing Equipment) output on its four LAN ports, enabling it to power downstream IP cameras, access points or other PoE-compatible devices directly. The UR75 5G router also supports optional PoE PSE output. The UR32L and UR32 do not include PoE output capability.
What serial interfaces do Milesight Pro routers include?
The UR32 includes one RS232 port as standard, with RS485 as an option depending on the variant (for example, the UR32-L0GEU-P-W-485 includes RS485). The UR35 includes both RS232 and RS485 as standard. The UR75 includes both RS232 and RS485 as standard. These serial interfaces connect directly to Modbus RTU devices, PLCs, RTUs and other serial industrial equipment.
What is the difference between Milesight UR75 and UF31?
The UR75 is a full standalone industrial 5G router with its own Ethernet ports, WiFi, GPS, serial interfaces and power supply – designed for permanent installation as a network appliance. The UF31 is a 5G USB dongle that connects to an existing device with a USB port and provides 5G cellular connectivity to that host device. The UR75 is the choice when a dedicated router is needed; the UF31 is the choice when adding 5G to an existing computing device.
Are Milesight routers suitable for UK deployments?
Yes. The Milesight UR series routers support the LTE frequency bands used by UK operators (including Band 20/800MHz, Band 3/1800MHz, Band 1/2100MHz and Band 7/2600MHz). The UR75 5G model supports UK 5G sub-6GHz bands. All models carry CE certification. RouterStore holds UK stock of key Milesight models for next-working-day delivery.
How does MilesightVPN work?
MilesightVPN is a web-based VPN management and monitoring platform that simplifies the configuration and management of VPN tunnels across a fleet of Milesight routers. Rather than configuring individual tunnel endpoints manually, MilesightVPN handles authentication, certificate management and connection status monitoring centrally. It provides an overview of all connected routers, their VPN tunnel status, and allows secure remote access to devices behind routers for configuration and troubleshooting. MilesightVPN is provided free of charge to all Milesight router customers.
RouterStore: Your UK Source for Milesight, Teltonika and Proroute Routers
RouterStore is a UK specialist in industrial cellular routers and IoT connectivity hardware, operating as a multi-vendor distributor stocking hardware from the leading manufacturers in the sector. The Milesight range – including the UR32 Pro Series, the UR75 5G router and the UF31 5G dongle – is held in UK stock for fast dispatch.
As a multi-vendor distributor, RouterStore can advise on the right platform for your application across the full range of industrial router brands. Alongside the Milesight range, RouterStore stocks:
Teltonika Routers:
- Teltonika RUT200 – compact 4G LTE router for straightforward connectivity applications
- Teltonika RUT901 – industrial 4G LTE dual-SIM router
- Teltonika RUT906 – industrial 4G router with extensive I/O and protocol support
Proroute Routers:
- Proroute H820 – industrial 4G router with 4 LAN ports, WAN failover and WiFi
- Proroute H685 – compact industrial 4G router with Ethernet and WiFi
Whether your project requires the serial interface depth and edge computing of Milesight, the proven RutOS firmware platform of Teltonika, or the reliability and simplicity of the Proroute range, RouterStore carries the stock and the technical knowledge to help you specify and procure the right hardware. Orders placed by 3pm are dispatched for next working day UK delivery.
Browse the full Milesight router range at RouterStore or contact the team directly for application-specific advice.
All specifications quoted in this guide are drawn from manufacturer documentation. Specifications are subject to change – always verify against current datasheets before finalising a purchase decision. RouterStore stock availability and pricing should be confirmed directly on the RouterStore website.