5 common industrial communication protocols for the Internet of Things

There are many proper terms for different protocols for communication between IoT devices, and many people, as laymen, do not have a special understanding. This time, we have sorted out the 5 most common industrial communication protocols in IoT applications

:LoRa, NB-IOT, ZigBee, WiFi, Bluetooth for your reference.

1. ZigBee

ZigBee is a wireless communication protocol for low-speed short-distance transmission

, is a highly reliable wireless data transmission network, the main features are low speed, low power consumption, low cost, supporting a large number of online nodes, and supporting multiple online topologies

, low complexity, fast, reliable, and secure.

Each network port of ZigBee can access up to more than 65,000 ports, making it gradually become a mainstream technology in the Internet of Things industry, and has been widely used in industries, agriculture, smart homes and other fields.

2. WiFi

Due to the rapid popularization of household WiFi routers and smart phones in the past few years, the WiFi protocol

It has also been widely used in the field of smart home. The biggest advantage of the WiFi protocol is that it can be directly connected to the Internet.

Compared with ZigBee, the smart home solution using the Wifi protocol saves an additional gateway, and compared with the Bluetooth protocol, it eliminates the dependence on mobile terminals such as mobile phones. Commercial WiFi

The coverage in public places such as urban public transportation and shopping malls fully reveals the application potential of commercial WiFi scenarios.

3. LoRa

LoRa (LongRange, long distance) is a modulation technology that provides a longer communication distance than similar technologies. LoRa gateway, smoke detection, water monitoring, infrared detection

, positioning, row and plug and other widely used IoT products. as a narrowband wireless technology

, LoRa uses the time difference of arrival to achieve geographic positioning.

Application scenarios of LoRa positioning: smart city and traffic monitoring, metering and logistics, agricultural positioning monitoring.

4. NB-IOT

NB-IoT

(Narrow Band Internet of Things) has become an important branch of the Internet of Everything. NB-IoT is built on the cellular network

, only consumes about 180kHz of bandwidth, and can be directly deployed on GSM networks, UMTS networks or LTE networks to reduce deployment costs and achieve smooth upgrades.

NB-IoT focuses on the low-power, wide-coverage IoT market, and is an emerging technology that can be widely used around the world. It has the characteristics of wide coverage, multiple connections, fast speed, low cost, low power consumption, and excellent architecture. The scenario applications brought by the NB-IoT network include smart parking, smart fire protection, smart water, smart street lights, shared bicycles and smart home appliances.

5. Bluetooth

Bluetooth technology is an open global specification for wireless data and voice communication. It is a special short-range wireless technology based on low-cost short-range wireless connections to establish a communication environment for fixed and mobile devices.

Connection, the general effective range is about 10 meters.

Bluetooth enables wireless information exchange between many devices including mobile phones, PDAs, wireless headsets, notebook computers, and related peripherals. The use of "Bluetooth" technology can effectively simplify the communication between mobile communication terminal equipment, and can also successfully simplify the communication between equipment and the Internet, so that data transmission becomes faster and more efficient, and broadens the road for wireless communication.

These connectivity technologies are the most widely used technologies in the IoT space. Caimao Industrial Router

, industrial gateways and other IoT devices are equipped with WiFi, cellular network, NB-loT, ZigBee and many other IoT communication protocols to ensure the accurate transmission of data and effectively increase the work efficiency of enterprises.