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UCR-ST-B5-AT Unitronics Unitronics Router B5 USA AT&T
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.
£258.83
Why Choose the Unitronics UCR-ST-B5-AT Industrial Cellular Router?
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.
Key Advantages
- Industrial 4G LTE cellular router for remote connectivity.
- Optimised for AT&T networks in the USA and Canada.
- Supports secure VPN remote access.
- Wi-Fi access point and client functionality.
- Dual Ethernet ports for network integration.
- WAN failover capability for improved reliability.
- Embedded SMS send and receive functionality.
- Built-in digital input and output for remote monitoring.
- Compact DIN rail-mountable industrial design.
Key Features
- Unitronics B5 Series Industrial Router.
- 4G LTE Cat 4 cellular communications.
- Download speeds up to 150 Mbps.
- Upload speeds up to 50 Mbps.
- Built-in Wi-Fi hotspot functionality.
- 2 × 10/100 Ethernet ports.
- 1 configurable WAN/LAN port.
- 1 dedicated LAN port.
- Integrated VPN and firewall security.
- 1 digital input.
- 1 digital open-collector output.
- External SIM card slot.
- SMS messaging support.
- Dynamic DNS support.
- MQTT Broker functionality.
- Modbus TCP and Modbus RTU support.
- Remote monitoring and control capability.
Secure Remote Access for Industrial Automation
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.
Typical Applications
- Remote PLC and HMI access.
- Industrial IoT deployments.
- Water and wastewater treatment facilities.
- Utility monitoring systems.
- OEM machine monitoring.
- SCADA communication infrastructure.
- Remote telemetry applications.
- Energy management systems.
Technical Specifications
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| Connectivity | 4G LTE | |
|---|---|---|
| Digital Inputs | 1 | |
| Digital Outputs | 1 | |
| Communication | Ethernet | |
| Device Type | Router / Remote Access | |
| Coil / Supply Voltage | 9–30 V DC | |
| 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 |
Frequently Asked Questions
What is the Unitronics UCR-ST-B5-AT used for?
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.
Which mobile networks does the router support?
This model is designed specifically for use with AT&T cellular networks in North America.
Does the router support VPN connectivity?
Yes. The router supports multiple VPN protocols and includes firewall security features for secure remote access.
Can the router send SMS messages?
Yes. The UCR-ST-B5-AT supports embedded SMS messaging functionality for remote notifications and control applications.
What mounting method does the router use?
The router is designed for convenient installation on standard DIN rail systems used in industrial control panels.
Trusted by Industrial Automation Professionals
Unitronics industrial routers provide secure remote connectivity, Industrial IoT functionality and reliable communications for automation engineers managing critical industrial systems across geographically distributed locations.
