Always-connected
4G Cat-1, Ethernet, Wi-Fi and Bluetooth provide flexible connectivity for field deployments.
INDUSTRIAL 4G CAT-1 RTU
BWR_E01
ESP32-S3Reliable edge connectivity and local control for industrial IoT.
BWR_E01 combines 4G Cat-1, Ethernet, Wi-Fi and Bluetooth in a compact RTU. Build custom acquisition, control and data-processing logic directly on the device with MicroPython.
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DESIGNED FOR THE EDGE
One RTU for connection, control and custom logic.
MicroPython ready
Program and run your own data acquisition, protocol handling and control workflows at the edge.
Built for control
2 DI, 2 AI, 2 relay outputs, RS232 and RS485 connect the RTU to real-world equipment.
Industrial resilience
Wide temperature operation, IP30 enclosure, plus ESD, EFT and surge immunity.
TECHNICAL SPECIFICATIONS
Compact hardware. Broad interface coverage.
Core specifications from the BWR_E01 Datasheet v1.0.0.
Compute & interfaces
- Processor
- ESP32-S3
- Memory
- 512 KB SRAM, 8 MB PSRAM, 16 MB flash
- Cellular
- Lierda NT26 Series 4G Cat-1
- Wireless
- Wi-Fi 4 (802.11b/g/n), Bluetooth 5 LE / Mesh
- Ethernet
- 1 x 10/100 Mbps RJ45
- Serial
- 1 x RS232, 1 x RS485
- I/O
- 2 x DI, 2 x AI (4-20 mA), 2 x relay (10 A / 277 VAC)
- Expansion
- USB-C programming port, Micro SD slot up to 64 GB
Power & environment
- Power input
- DC 9-36 V
- Operating current
- 60 mA average @ 12 V
- Operating temperature
- -40 to 75 C
- Storage temperature
- -40 to 85 C
- Humidity
- 5-95% RH, non-condensing
- Protection
- IP30; ESD, EFT and surge immunity
- Dimensions
- 117.5 x 73 x 27.5 mm
- Installation
- Ear-mount installation
START YOUR DEPLOYMENT
Need an RTU tailored to your application?
Tell us your connectivity, I/O and deployment requirements. Our team can help you select the right BWR_E01 configuration.