Âm thanh chia sẻ

4.3.1 Wi-Fi Networks A number of standards have been developed to ensure that wireless devices can communicate. They specify the RF spectrum used, data rates, how the information is transmitted, and more. The main organization responsible for the creation of wireless technical standards is the Institute of Electrical and Electronics Engineers (IEEE). The IEEE 802.11 standard governs the WLAN environment. There are amendments to the IEEE 802.11 standard that describe characteristics for different