Why Do High-End Walkie-Talkie Wireless Modules Require Shielding Covers?

Why Do High-End Walkie-Talkie Wireless Modules Require Shielding Covers?

Wireless modules are one of the most important components in modern wireless communication and are quite popular in the market. There are various types of wireless modules, each showcasing different functionalities. However, have you noticed that most high-end walkie-talkie wireless modules come with a metal casing? Do you know what role this metal casing plays … Read more

485 Bus Protocol and Transmission Distance

485 Bus Protocol and Transmission Distance

[Abstract] The 485 bus is often used in the wiring of common access control systems, but most people do not understand it. Below, the editor will discuss the 485 bus protocol and the related knowledge of the 485 bus transmission distance. 485 Bus Protocol 485 Bus Protocol When the communication distance is required to be… … Read more