Abstract: A system for tracking objects, the system including: at least one transmitter unit comprising a transmitting component which is adapted to transmit signals; and an electrical power supply device which is adapted to supply at least the transmitting component with electrical energy; at least one transmitter-receiver unit comprising a receiving element configured to receive signals from a transmitter unit; a data processing unit configured to process the signals received; and a transmitting element configured to transmit output signals; at least one data processing means configured to receive and process the output signals and to generate data therefrom; and at least one terminal; wherein the at least one data processing means is configured to transmit data to the at least one terminal; wherein the at least one terminal is configured to output information based on the transmitted data.