Auteur: iot-en (pagina 165)

What is a 4G module ? 4G module is also called 4G transmission module, 4G communication module, and 4G LTE module. It is a product whose hardware is loaded into the designated frequency band, the software supports the standard LTE…

The GPRS module is one of many wireless transmission modules. It is a wireless transparent transmission module supported by GPRS technology and realizes data transmission between serial devices and cloud servers. Embedded systems using GPRS modules can realize wireless data…

GPRS module , the embedded version of GPRS DTU , is small in size and easy to integrate into other devices. Its function is similar to that of a serial port server . The GPRS module is an Internet of…

Attachment: China Telecom Internet of Things Open Platform_NB-IoT module docking guide Overview This document introduces the NB-IoT business from preparation work, custom device model, codec plug-in development, device access platform, and message upstream and downstream methods and processes. This document…

With the rapid growth of our country’s economic strength, the improvement of national quality, and the emphasis on quality of life and living environment, the era of environmental pollution at the expense will become a thing of the past. Environmental…

4G DTU and 4G industrial router are both wireless terminal devices that implement wireless network data transmission functions, but there are still some significant differences between the two, which can be distinguished from the four aspects of network interface, usage,…

The 4G module is an important carrier for connecting things and one of the core components for terminal devices to access the Internet of Things. With the development of industry, the demand for embedded devices to access the network is…

As air quality deteriorates, we pay more and more attention to health, especially gaseous substances that are harmful to the human body, and gradually carry out effective monitoring and management. Due to the frequent occurrence of haze weather, which seriously…

The switching input/output module is also called the control module. It can output a signal when there is a control requirement, or provide a switching signal to make the controlled device act. At the same time, it can receive feedback…

Model: ZHC491G is a 4g full network DTU developed by Chengdu Zongheng Intelligent Control. It has 7 modes and 16 frequencies , which can meet the frequency bands of domestic and foreign operators. It supports multiple network protocols, TPC protocol,…