An unmanned solar farm, a remote pumping station, or a mine perimeter has a problem an office never has: there may be no wired internet, and there is no one on site to reboot a router when the link drops. For these sites the WAN is cellular, and the quality of the...
A rugged firewall series usually spans a dozen variants that look almost identical on a shelf and behave very differently in the field. The catalogue lists them by performance tier, but performance is rarely what decides the right model for an industrial site....
A firewall datasheet is a sales document dressed as an engineering document. Every number on it is true, and almost every number is also optimistic. For office IT that rarely matters. For an industrial buyer specifying a device that will sit in a substation, a mine...
Bluetooth Low Energy (BLE) is a wireless communication technology for low-power devices in short range. It is widely used in smart devices, to enhance connectivity and energy efficiency. How does BLE work? BLE (Bluetooth Low Energy) operates in the 2.4 GHz ISM...
