Security & Emergencies Perimeter Access Control – Access control to restricted areas and detection of people in non-authorised areas.Liquid Presence – Liquid detection in data centres, warehouses and sensitive building grounds to prevent break downs and corrosion.Radiation Levels – Distributed measurement of radiation levels in nuclear power stations surroundings to generate leakage alerts.Explosives and Hazardous Gases – Detection of gas levels and leakages in industrial environments, surroundings of chemical factories and inside mines.