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
1. Classification of Wireless Networks 01 Classification Based on Range 02 Overview of Network Types ① PAN: Personal Area Network (Range: 5 to 10m) Common wireless connection representatives include: BT (Bluetooth), NFC, Infrared. Wired connections: USB or other connection methods. Usage: Can be used for transferring small files or data, such as photos, music, etc. … Read more
The Origin of the WiFi Name The term Wi-Fi is often mistakenly thought to refer to Wireless Fidelity, similar to the long-established categories of audio equipment: long-term high fidelity (adopted since 1930) or Hi-Fi (adopted since 1950). Even the Wi-Fi Alliance itself frequently uses the term “Wireless Fidelity” in press releases and documents, but in … Read more
Wi-Fi (pronounced: /ˈwaɪfaɪ/), also known in Chinese as “Mobile Hotspot”, is a trademark of the Wi-Fi Alliance manufacturers as a brand certification for products, and is a wireless local area network technology created based on the IEEE 802.11 standard. The term Wi-Fi is commonly misunderstood to refer to Wireless Fidelity, and even the Wi-Fi Alliance … Read more
With the implementation of the “Industry 4.0” strategy, the development of computer technology, communication technology, and IT technology has infiltrated the industrial control field. The most significant manifestation of this is the technology of industrial fieldbus and industrial Ethernet. The widespread use of industrial fieldbus technology, especially Ethernet technology, has brought profound changes to automation … Read more
Search on WeChat Technical Training In engineering, the RS485 control line is often mentioned. What exactly is it? Today, I will discuss the applications related to RS485. By understanding RS485 in depth, you will find that there is indeed a lot of knowledge within it. We will choose some common issues considered in weak electricity … Read more
Follow our public account, click the “···” in the upper right corner of the homepage, set it as a star, and stay updated on the latest news in smart automotive electronics and software. Source: OBD Diagnosis Abstract The CAN bus is a serial data communication protocol developed to solve data exchange between numerous control and … Read more
Overview of CAN CAN is an abbreviation for Controller Area Network (hereinafter referred to as CAN). CAN belongs to the category of field buses, and it is a serial communication network that effectively supports distributed control or real-time control, known as the computer local area network in the field of automation. The CAN bus is … Read more
Full text: Approximately 1485 words Editor’s Note Based on the weather radar networking system in Beijing, the Urban Institute focuses on building a multi-band radar networking application system. The Short-term Nowcasting – Ruitu Radar Research Team continues to overcome difficulties and has achieved fruitful results. This article will mainly introduce the functions and main achievements … Read more