Glass-Link is a novel approach to IoT connectivity, that offers a highly scalable mesh network with unprecedented fast response time. It integrates devices, sensors, and actuators with the cloud application, allows cable-free deployment over long indoor and outdoor distances, and provides redundancy whenever needed. It operates in a license-free ISM band and by design is resilient to other electro-magnetic fields, yet it penetrates through walls and other obstacles easier than WiFi or Bluetooth. Glass-Link can operate in a coordinated manner connecting hundreds of nodes with very low packet collision rates. Glass-Link features make it a perfect choice to monitor industrial facilities like power transmission lines, pipelines, solar farms, offshore wind farms, vessels, mines, etc. Furthermore, the hassle-free deployment makes it also a network of choice for transient usage of monitoring these and other facilities during construction phases or emergency situations.