Radio-frequencies technologies for local communication in cyber-physical environment

The paper is devoted to the Internet of Things which is becoming more popular and, in particular, to wireless connections and technologies. The paper considers two technologies that are currently most widely used on the Internet of Things: Bluetooth and Wi-Fi. The milestones of their development are considered, as well as advantages and features of each technology. Various devices that employ Bluetooth and Wi-Fi technologies and their interaction are described. The conclusion about the perspectives of development of Wi-Fi technology is made.