UCR-ST-B8-SA Unitronics Unitronics Router B8 Rest of World

Why Choose the Unitronics UCR-ST-B8-SA Industrial 4G LTE Router?

The Unitronics UCR-ST-B8-SA is a robust dual-SIM industrial 4G LTE cellular router with Wi-Fi designed to provide secure remote connectivity for PLCs, SCADA systems and industrial automation networks. As part of the Unitronics B8 router family, it allows machines and controllers to communicate with cloud platforms, remote maintenance systems and enterprise networks through cellular infrastructure.

The SA variant is optimised for cellular networks used in South America, Australia, New Zealand and Taiwan, supporting a wide range of LTE and 3G frequency bands to ensure reliable connectivity across those regions.

The router provides advanced connectivity features including dual-SIM redundancy, GNSS positioning, multiple Ethernet ports and industrial I/O. These capabilities make it ideal for industrial IoT, telemetry, machine monitoring and secure VPN access to automation equipment.

Key Features

• Dual-SIM 4G LTE Cat-4 cellular router for industrial connectivity.
• Designed for South America, Australia, New Zealand and Taiwan LTE networks.
• 4 Ethernet ports (3 LAN + 1 WAN configurable as LAN).
• Integrated Wi-Fi access point or client mode.
• Embedded GNSS / GPS receiver for location tracking and geo-fencing.
• RS232, RS485 and USB interfaces for industrial device communication.
• Digital and analogue I/O for remote monitoring and control.
• Dual SIM support for redundancy and improved connectivity.
• Supports VPN, Modbus TCP/RTU, MQTT and firewall security.

Technical Specifications

• Manufacturer: Unitronics
• Model: UCR-ST-B8-SA
• Product type: Industrial cellular router
• Cellular technology: 4G LTE Cat-4 with 3G and 2G fallback
• LTE bands: B1, B2, B3, B4, B5, B7, B8, B28 (FDD) and B40 (TDD)
• Maximum data speed: up to 150 Mbps download / 50 Mbps upload
• Ethernet ports: 4 × 10/100 Mbps (1 WAN configurable as LAN)
• SIM support: 2 × external SIM card slots
• Wi-Fi: access point or client mode
• Serial interfaces: RS232 and RS485
• USB interface: USB 2.0
• Memory: 128 MB RAM, 16 MB flash
• Digital I/O: 3 digital inputs, 1 analogue input, 2 digital outputs, 1 relay output
• GNSS: integrated GPS receiver
• Power supply: 9–30 V DC
• Operating temperature: −40 °C to +75 °C
• Dimensions: approx. 100 × 110 × 50 mm
• Mounting: DIN rail or panel mount

Typical Applications

• Remote monitoring of PLC-controlled industrial machines.
• Industrial IoT connectivity for automation equipment.
• SCADA telemetry and remote data acquisition.
• Secure remote maintenance and diagnostics.
• Industrial networking for utilities, infrastructure and manufacturing plants.

Trusted by Automation Engineers

Unitronics B8 series routers are widely used to enable secure remote monitoring, IIoT connectivity and reliable cellular communication between PLC systems and cloud infrastructure.