Was ist a 4G module ?
4G-Modul 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 protocol, and the software and hardware are highly integrated and modular. It has the characteristics of good compatibility, fast communication speed, large amount of communication data, wide network spectrum, and flexible communication. , widely used in electric power, environmental protection, finance, industrial automation and other fields.
product description
The 4G module ZHS491G independently developed and produced by Zongheng Intelligent Control supports China Mobile, China Telecom and China Unicom, the three major domestic operators. It has 7 modes and 16 frequencies to provide you with stronger network compatibility. The wireless transmission rate can reach up to 150Mbps in the downlink and 50Mbps in the uplink. The module supports RS485, TTL, switching, analog and other interfaces, is compatible with expansion, and uses a high-performance 32-bit processor and Quectel EC20 communication module, including GPS positioning, which is very powerful! Secondly, this module adopts a 5~12V wide voltage design and supports WEB remote configuration and FOTA firmware upgrade. It is simple and convenient to use, allowing your device to easily connect to the Internet wirelessly!
product specifications
– Size: 50.6*46mm (L*W)
– Serial port: RS485*1, TTL*1
– Expansion interface: 22-way extension pin header (DO, DI, AI, SPI, IIC, etc.)
– SIM card: 1.8V/3V
– Antenna: IPX1
– VCC: 5~12V
– Working current: average 100~200mA
Eigenschaften
● All Netcom 7 modes and 16 frequencies: 4G/3G/2G high-speed access from China Mobile, China Unicom and China Telecom.
● Supports multiple working modes of TCP Client, UDP, and HTTP Client.
● Supports sending registration package and heartbeat package data.
● Supports two-way continuous transmission and reception at the highest serial port baud rate of 921600, and supports sticky packet splitting to make transmission more effective!
● Supports Beidou, GPS, and AGPS multi-mode positioning with an accuracy within 10 meters.
● Cloud configuration and remote upgrade: You can use web pages and WeChat applet to remotely configure parameters and upgrade firmware of the module.
● Built-in dual watchdogs, stable operation and never downtime!
Anwendungsszenarien
The 4G module is connected to the high-speed cellular network and transmits all terminal business data and equipment operating status to the business center in real time. Through the management and monitoring platform, the operating status of the terminal equipment is monitored in real time and equipment faults can be checked in a timely manner. Efficiency has been greatly improved in many aspects such as operating costs, operation scale, and service timeliness.
It is suitable for shared massage chairs, public charging piles, vending machines, vehicle systems, environmental monitoring, power remote monitoring and other industries.