New sensor protects building walls and roofs.

• Author: Williams, Robert H.
• Position: Tech Talk - Brief Article

The E3i sensor, an interior microphonic cable sensor, has been designed to detect attempts to penetrate the walls and roofs of buildings. A refinement of technology developed by Senstar-Stellar of Fremont, Calif., the sensor cable when mounted to the interior surface of structures detects attempts by intruders to cut, smash, crush or saw through an exterior surface, a spokesman said.

The device...