RTLS system configuration can vary depending on customer requirements. These can range from need only locate individuals within a facility to provide information related to the location thereof, including making periodic environmental values. Some of these values are: temperature, humidity, the amount of accumulated radon, etc. To meet all the needs in location is designed in a modular way, ie, there is a device for every need and these devices allow you to configure the system to customer needs. Then the technical characteristics of the same are described.