Business Daily The quiet power behind smart tech
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Aug 4, 2025 In this episode, John Archer from Rimex Technologies, who previously worked as a geophysicist in the oil and gas industry, shares insights on Low Power Wide Area Network (LPWAN) technology. He discusses its revolutionary applications in monitoring water systems and wildlife conservation, highlighting its efficiency in sending data over long distances with minimal power. From smart city innovations to tracking endangered species like the Iberian lynx, Archer emphasizes how LPWAN could reshape resource management and enhance sustainability in urban living.
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LPWAN in Rural Portugal Watersystems
- Alastair Leithead and John Archer installed LPWAN sensors to monitor off-grid water systems in rural Portugal.
- They controlled water pumps and ensured water quality remotely, improving water and power management for a tourist lodge.
LPWAN's Niche in Wireless
- LPWAN sends very small data payloads, typically 30 to 50 bytes, ideal for battery-powered sensors.
- It's designed for low power, long distance, and infrequent data transmission, unlike Wi-Fi or Bluetooth.
Smart Water Management with LPWAN
- The town of Torres Vedras uses LPWAN to smartly monitor water quality, pump operation, and household water meters.
- Sensors can detect water leaks and optimize maintenance, improving service efficiency and environmental impact.