The design of this router is based on three modules, namely 3G module, WiFi module and Linux hardware platform, as shown in Figure 1. The function of the 3G module is to use the operator’s wireless data card for PPP…
Serial to Ethernet module
For a long time, serial communication methods have been widely used in many fields such as data collection, data monitoring, security, and medical care. However, with the development of the Internet and the improvement of application requirements, its limitations have…
4g communication module
The 4G communication module integrates all components such as the frequency signal amplifier and completes the integration. With the development of industry, the demand for embedded devices to access the network is increasing day by day. In the absence of…
4g wireless industrial router
ZHL4921W 4g wireless industrial router is developed by Chengdu Zongheng Intelligent Control Technology Co., Ltd. based on FDD-LTE4G network requirements, using the latest ARM hardware system platform, and using the latest technology using the Linux software system. It is a…
Les modules LTE peuvent contribuer à résoudre les quatre problèmes majeurs de l'internet des objets
In 2015, 3G networks matured, 4G networks developed rapidly, and 2G network business volume and utilization ratio continued to decline. Global operators began to gradually shut down 2G networks and promote the evolution of LTE module /M2M module formats to…
télécommande gprs
ZHC2931 is an upgraded version of a multi-functional integrated controller based on Internet of Things technology. Users of the Internet of Things control system implemented through this controller can realize remote monitoring of terminal equipment. Provides 1 serial port (RS485/RS232),…
5nm chips collectively overturned
Chips have always been our hot topic and concern. Chips are also a dazzling crown at the top of the world’s technology. Whoever controls the chip can have a say in the technology world, because the production of chips involves…
modbus rtu to tcp
ZHC1921 developed by Zongheng Intelligent Control is a device that supports modbus rtu to tcp protocol and supports mutual conversion. The network type of this product is Ethernet. If customers need other network type equipment to support this function, it…
rtu control system application
rtu control system application in oil fields In order to realize single well automation and intelligent drainage and production, an oilfield RTU control was developed with the currently internationally accepted programmable controller PLC as the core and easy to configure…
système de contrôle rtu
rtu control system The rtu control system is referred to as rtu, and the Chinese name is: remote telemetry terminal. It is a device that mainly integrates remote control and data transmission. It usually has DI (switch input), DO (switch…
dtu 4g
DTU DTU is the abbreviation of Data Terminal Unit. Broadly speaking, when communicating, both ends of the link that transmits data. The module units responsible for sending data information are called DTU. Under its function, the format conversion and data…
Module de communication sans fil
Wireless communication modules enable various types of terminal equipment to have the ability to transmit networked information. As the underlying hardware, they are irreplaceable and are a key link in connecting the perception layer and network layer of the Internet…