Westico Visibility System is based on the WiFi wireless network according to the standard 802.11 b / g, which has become an enterprise standard. The system allows tracking of assets, people and equipment in real time in a standard WiFi wireless network. To determine the position it uses a small battery powered WiFi tags with a long battery life. This technology is designed for positioning objects mainly inside buildings, where appropriate, within the campuses. Inside buildings the system typically achieves accuracy in the order of meters. Since the tags are equipped with sensors, the system supports also a very efficient wireless sensor based data collection. From the technological point of view it concerns about the active RFID technology.