Unitronics UCR-ST-B5-AT industrial 4G LTE cellular router for AT&T networks featuring Wi-Fi, dual Ethernet ports, VPN support, SMS messaging and remote automation connectivity.
£281.00
The Unitronics UCR-ST-B5-AT is a compact industrial-grade 4G LTE cellular router designed to provide secure remote connectivity, monitoring and control for industrial automation systems. Specifically developed for use with AT&T cellular networks across North America, this router enables reliable communication between Unitronics PLCs, HMIs and remote industrial assets.
As part of the powerful Unitronics B5 Router Series, the UCR-ST-B5-AT combines LTE connectivity, Wi-Fi functionality, Ethernet networking and VPN security features into a compact DIN rail-mountable device. Its industrial design makes it ideal for machine builders, utilities, OEMs and system integrators requiring secure remote access and Industrial IoT connectivity.
The router supports high-speed 4G LTE Cat 4 communications with download speeds up to 150 Mbps, integrated Wi-Fi access point functionality, SMS messaging capabilities and WAN failover protection. Built-in digital I/O also enables remote monitoring and control of field devices from virtually anywhere.
The Unitronics UCR-ST-B5-AT enables engineers to remotely access PLCs, HMIs and automation equipment through secure cellular communications. VPN connectivity, firewall protection and WAN failover capabilities help ensure reliable and secure operation across critical industrial applications.
Integrated Wi-Fi and Ethernet networking allow the router to connect industrial equipment to local networks, cloud platforms and remote monitoring systems. The built-in digital I/O can also be used for remote alarm monitoring, status reporting and equipment control.
| Voltage | 30 V |
|---|---|
| Series | B5 Industrial Router |
| Product type | Industrial cellular router |
| Network coverage | North America (AT&T) |
| Cellular technology | LTE (4G), HSPA+, UMTS, EDGE, GPRS |
| LTE category | Cat 4 |
| Maximum download speed | 150 Mbps |
| Maximum upload speed | 50 Mbps |
| Ethernet ports | 2 × 10/100 Mbps RJ45 |
| Wi-Fi | Access point and client mode |
| SIM slots | 1 external SIM holder |
| Digital inputs | 1 |
| Digital outputs | 1 open collector output |
| Supply voltage | 9–30 V DC |
| Nominal voltage | 12 / 24 V DC |
| Memory | 64 MB DDR2 RAM |
| Flash memory | 16 MB |
| Mounting type | DIN rail |
| Operating temperature | -40°C to +75°C |
| Dimensions (W × D × H) | 83 × 74 × 25 mm |
| Housing | Aluminium housing with plastic panels |
| Compliance | CE |
The UCR-ST-B5-AT is an industrial 4G LTE router used to provide secure remote access, monitoring and communication for PLCs, HMIs and industrial automation systems.
This model is designed specifically for use with AT&T cellular networks in North America.
Yes. The router supports multiple VPN protocols and includes firewall security features for secure remote access.
Yes. The UCR-ST-B5-AT supports embedded SMS messaging functionality for remote notifications and control applications.
The router is designed for convenient installation on standard DIN rail systems used in industrial control panels.
Unitronics industrial routers provide secure remote connectivity, Industrial IoT functionality and reliable communications for automation engineers managing critical industrial systems across geographically distributed locations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...