The October issue of “RTI” is online. The special coverage “WiFi 5 Mesh, 6 and 6E”, on page 20, shows that WiFi 6 has been gaining space in corporate projects, bringing advantages such as four times the capacity compared to the previous version, lower battery consumption of devices and integration with IoT. In residential markets, ISPs are beginning to adopt WiFi 5 Mesh routers. See on page 64 the article “Thermal management in data centers”, presenting a process developed according to the recommendations of the technical committee ASHRAE TC 9.9. To reduce the risk of heating in data centers, it is necessary to carry out a survey in the field and the thermal assessment of the installation. Furthermore, on page 82, the article “IoT application in reverse logistics”, a study that presents the development of an IoT product - Internet of Things for the destination process of products that are at the end of their useful life.