In this Recommendation there is included guidance on the protection of workers against radio frequency electromagnetic fields (RF-EMF) exposure in their working environment. RF workers range from installation engineers and tower climbers to R&D personnel and laboratory testing engineers. All of them are exposed to stronger RF-EMF fields than the general public. There also RF informed workers who have been provided with information on RF-EMF safe working practices for a site and all other workers who are regarded as members of the public for the purposes on RF-EMF exposure limits. In this Recommendation there is created minimum common safety guidance for telecommunication RF workers around the world.