This lecture covers the integration of various wireless communication technologies in IoT systems, including established interfaces like Bluetooth and Wi-Fi, as well as low power schemes for specific data types. It explores the development of new communication standards for low power wireless area networks, focusing on LoRa and SigFox, and emphasizes the unlicensed nature of these standards. The lecture also discusses the need for multiple communication standards in IoT devices to cater to diverse applications and environments.