GSM, Global System for Mobile Communications, is a global mobile communications standard. It uses TDMA (Time Division Multiple Access) technology, which allows several users to share the same frequency band of radio spectrum and divide it into many independent time slots in time for different

In recent years, with the rapid development of Internet of Things (IoT) technology, various smart devices have played an increasingly important role in people’s lives. The NB-IoT wireless communication module, as one of the key technologies for connecting these smart devices, has also received widespread

With the continuous development of IoT technology, NB IoT and 4G cards are two common ways to connect IoT devices, each with its own unique advantages and scope of application. Today we will compare the differences between NB IoT and 4G cards in detail to

With the development of technology, 4G network has become an indispensable part of our lives. Among various 4G devices, the 4G module is a key component, and it is particularly important to choose a high-performance product. So, among many manufacturers, which manufacturer does a good

The 5G era has arrived, and domestic 5G modules are gradually booming in the market. As a core component of a smart terminal, the selection of 5G modules is crucial. So, which domestic 5G module company is the best? Let’s conduct a comparative evaluation for

The GSM module is a device used for wireless communication and can implement functions such as mobile phone calls and data transmission. Its main function is to communicate with other devices through the GSM (Global System for Mobile Communications) network. GSM modules are widely used

With the continuous development of mobile communication technology, 4G modules, as an emerging communication equipment, have gradually attracted people’s attention. So, what is a 4G module? What is a 4G module? 4G module, as the name suggests, is a communication module that can support 4G

As a communication device, the GSM (Global System for Mobile Communications) module is widely used in the Internet of Things, smart homes and other fields. Its advantages and disadvantages directly affect its performance in practical applications. Let’s take an in-depth discussion of the advantages and

GSM is a global mobile communication standard that is widely used in 2G networks to provide voice communication and text messaging functions for mobile phone users. As a key component supporting the GSM network, how does the GSM module work? Let’s find out together. The

485 protocol and modbus protocol are commonly used industrial communication protocols and are widely used in the field of industrial automation. They play an important role in control systems, data acquisition, instrumentation, etc., but there are also some differences between them. Difference 1: The 485