Note: Table 1 was formulated by the Ministry of Industry and Information Technology of China in 1985, and Table 2 was formulated in 1992. It stipulates that the channel spacing for cordless phones is 25KHz, with a maximum transmission power of 50mW for landline phones and 20mW for mobile phones. The transmission categories are F3E; … Read more
Introduction As China’s first edge computing industry promotion project, the “Edge Computing Standard Component Plan” was jointly initiated by the China Academy of Information and Communications Technology, the Industrial Internet Industry Alliance, and the Key Laboratory of Internet and Industrial Integration Innovation of the Ministry of Industry and Information Technology, aiming to form an industrial … Read more
Recently, at the 2024 International Star Flash Alliance Industry Summit, Lierda Technology Group Co., Ltd. showcased its latest developed EB21 series SLE transparent transmission module. On March 13, the Lierda Star Flash series module had already made its debut at the Huawei HarmonyOS Connect Partner Summit. | Image of Lierda EB21 Series SLE Transparent Transmission … Read more
With the continuous increase in the number of IoT devices, communication or connection between devices has become an important topic of consideration. Communication is very common and critical for IoT, whether it is short-range wireless transmission technology or mobile communication technology, both of which affect the development of IoT. Among these, communication protocols are especially … Read more
Many netizens find that when connecting to Wi-Fi, there are two signals appearing simultaneously: one with a “5G” suffix and the other without. Why does the same Wi-Fi show two signals? Does a Wi-Fi name with “5G” mean faster internet speed? What Does ‘5G’ in the Wi-Fi Name Mean? In fact, the “5G” in the … Read more
Many netizens may have noticed that when connecting to Wi-Fi, two signals appear simultaneously—one with a “5G” suffix and the other without. Why does the same Wi-Fi show two signals? Does the “5G” at the end of the Wi-Fi name mean faster speeds? Let’s explore this together! What Does the “5G” After the Wi-Fi Name … Read more
Introduction. Wireless communication modules are widely used in vehicle monitoring, remote control, telemetry, small wireless networks, wireless metering, access control systems, community paging, identity recognition, wireless remote control systems, biological signal acquisition, hydrometeorological monitoring, robot control, digital audio, and digital image transmission. What is a Wireless Communication Module? A wireless communication module is a module … Read more
Sensor With the continuous development of new generation information technologies such as 5G, the Internet of Things, and Artificial Intelligence, data is expected to show an exponential growth trend and gradually become a fundamental strategic resource and a revolutionary key element in the digital age. As the only functional device for data collection, sensors are … Read more
This article is authorized for publication by “Postal and Telecommunication Design Technology”. If you need to reprint, please contact “Postal and Telecommunication Design Technology” for authorization. Follow the Postal and Telecommunication Design Technology public account: ydsjjs, welcome to follow! Abstract: This article reviews the development history of satellite communication, its advantages and disadvantages, and proposes … Read more
Integrated development is familiar to many. On the policy level, you may have seen urban-rural integrated development, integration of party building and business, and free trade zone integration; on the industrial level, you may have heard of industrial integration, integration of digital economy and real economy, etc. Today, we want to explore integrated development from … Read more