Quick Answer: A safe distance from a cell tower is at least 400 meters (1,300 feet) according to most precautionary guidelines. In 2004, a pivotal study conducted in Netanya, Israel, investigated cancer incidence among. This calculator helps you determine safe distances based on tower type (2G to 5G), transmission power, antenna configuration, and safety standards. Radiofrequency radiation from cell towers. The following table of Safe Distances from EMF Sources is offered below to help reduce your exposure to electromagnetic fields (EMFs). However, for small cells and 5G installations mounted on streetlights or buildings, a.