Dia: 18 de Dezembro, 2023 (page 89)

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…

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),…

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…

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 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…

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 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…

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…

Introduction to rs485 communication module The rs485 communication module developed by Chengdu Zongheng Charge is also known as 4g dtu, 4g module and 4g transmission terminal. This product provides an RS485 interface, which can collect sensor or instrument data through…

Introduction to 4g router Based on the embedded Linux system, a wireless 4g router that uses WiFi technology to share 4G bandwidth is designed and implemented. The router supports UMTS/GSM/CDMA and TDD/FDD-LTE network standards, achieving compatibility with various 3G/4G network…

4g module dtu overview: Product model: ZHC401C is a 4G wireless data transmission module based on China Mobile, Telecom, and China Unicom networks, providing a two-way transparent transmission channel. Compatible with Modbus RTU/TCP protocol. With “remote control” as the core…

The development of wireless communication technology so far can be basically summarized into five stages. The first stage: early stage of dedicated mobile communications. It was the first to develop a dedicated mobile communication system in the shortwave frequency band.…