On May 21st, the relay satellite "Queqiao" of Chang'e-4 was successfully launched at the Xichang Satellite Launch Center. As a crucial part of the Chang'e-4 lunar exploration project, the successful launch of "Queqiao" marks that China has successfully made a step towards the far side of the moon...

The most crucial aspect in the wireless industry is the frequency band resources of wireless technology. To help us have a clearer understanding of wireless frequency bands, we have compiled the wireless frequency allocation table from the internet, as follows: (worth saving) ...

The first 5G standalone networking (SA) standard has been released, indicating that the 3GPP's first complete 5G standard, Release?15, has officially come into effect, and the 5G industry chain has entered the commercial stage. After three years, the first complete 5G international standard has been officially released. In 2018...

In order to fully implement the requirements of the 19th National Congress of the Communist Party of China regarding the expansion of the clean energy industry and to promote the high-quality development of the photovoltaic sector, the National Development and Reform Commission, the Ministry of Finance, and the National Energy Administration, based on the actual development of the industry, have...

As industrial automation and information systems continue to advance, the demand for reliable communication between devices and control platforms is steadily increasing. Wireless peripheral communication systems play an important role in connecting peripheral devices with central systems and are increasingly adopted across industrial and dedicated communication environments.

Elevators, as the important enclosed public areas and key access routes within buildings, play a crucial role in the security of the entire area. Video surveillance of elevators is an indispensable and essential part of the security work. Elevator video surveillance can achieve...

Wireless bridges are widely used in practice and are also known as CPE. They can serve as bridges for wireless networks and are commonly used in applications such as security monitoring. They are widely present in scenic parks, railway stations, port terminals, forest fire prevention, etc.

In recent years, with the development of the social economy, some "undesirable individuals" have engaged in illegal activities such as smuggling in order to achieve the goal of "quick wealth". Some ship crew members also fail to follow the regulations regarding navigation lights. Ship smuggling, etc.