Last year, in "Time To Tighten the Wireless Net", we went with wireless intrusion-detection systems. This year ... subdivided into three threat levels: active, passive and on-location.

Currently, guidelines exist for intrusion systems, power supplies, warning devices and wireless elements ... Following each application, the detector should be switched into active mode after 180 s ...

Attention remote workers! When it comes to DIY home security, there are many systems and components to consider and many decisions to make. This vendor comparison guide, created by Mark W.