Internet of Things (IoT) is a network technology that connects objects to objects, and people to objects for information exchange and communication through information transmission methods such as Internet and traditional communication networks. IoT router is a one of the key devices of this connection, it is responsible for transmitting collected data to other devices or servers through network. 4g IoT router is a wireless device that utilizes 4g network for data transmission and mainly used to connect various IoT devices such as sensors, controllers etc..

1.Basic function

1.1.Routing function: supports multi-device access and enables interconnection between devices.

1.2.Data collection: IoT devices such as sensors, smart meters and cameras etc. connect to IoT routers with wire or wireless methods, these devices continuously collect environmental or user data such as location, humidity, temperature, movement and other information etc..

1.3.Data transmission: The collected data is sent through the network interface in IoT router, the data can be sent to wide area network (WAN), remote server through local area network (LAN), directly through cellular network or cloud platform according to different application scenarios and needs.

1.4.Data processing: IoT routers have calculation capabilities, can analyze and preprocessing collected data such as simple analysis, format conversion and data cleaning etc., this can reduce the quantity of data transfer, improve data processing efficiency and provide users valuable information.

1.5.Security protection: Provide security function such as firewall and data encryption etc. to ensure the security of user data.

1.6.Environmental monitoring: Connect various environmental monitoring devices through 4g IoT routers to realize real-time monitoring of environmental parameters such as water quality, air quality and soil etc..

2.Application scenarios: IoT routers are widely used in smart cities, smart homes, agricultural monitoring, industrial automation, health care and other fields, they enable devices to connect and interact in real time, greatly improving intelligence level of life and work.

2.1.Smart Home: Connect different home devices with 4g IoT routers to achieve  intelligent management and remote control.

2.2.Industrial monitoring: In mines, factories and other environments, different controllers and sensors are connected through 4g IoT routers to achieve remote control and real-time monitoring.

2.3.Internet of Vehicles: Connect road facilities, cars and other equipment through 4g IoT routers to accomplish navigation, remote diagnosis, vehicle positioning and other functions.

3.Technical features

3.1.High-speed transmission: 4g network has characteristics of high speed and low latency, can meet high-speed data transmission needs of IoT devices.

3.2.Wide coverage: 4g network cover wide range can meet the needs of IoT applications in different regions and scenarios.

3.3.Flexible access: Supports access to multiple types of IoT devices, such as NBIoT, LoRa etc..

3.4.Easy to manage: Device and data management are performed through cloud platform, simplifies the deployment and maintenance of IoT systems.

3.5.Network protocols: IoT routers support a variety of network protocols, including but not limited to TCP/IP, MQTT, CoAP etc., these protocols ensure reliability and compatibility of data during transmission.

4.Main components

4g module: Responsible for communicating with 4g network to send and receive data.

Processor: Responsible for processing data and implementing routing functions and data processing functions.

Memory and storage: used to store data and programs to meet the operating needs of the device.

Antenna: Responsible for transmitting and receiving wireless signals to realize wireless communication function of the device.

Interface: used to connect various IoT devices to achieve interconnection of devices.

5.Select points

5.1.Scalability: Choose a 4g IoT router that supports access to multiple types of devices to facilitate future expansion and upgrade.

5.2.Performance indicators: Pay attention to the device’s transmission rate, number of concurrent connections and other performance indicators to meet the actual needs of the device.

5.3.Network coverage: Choose a 4g IoT router with good network coverage to ensure the device can work properly.

5.4.Management and monitoring: IoT routers usually provide management interface that allows administrators to configure device parameters, monitor network status and update firmware etc., some advanced routers also support remote management and automation scripts to facilitate maintenance and management of large-scale IoT networks.

5.5.Security: Since IoT devices often handle sensitive data, choose a 4g IoT router with security features such as access control list (ACL), data encryption and firewall to ensure the security of user data.

6.Related questions and answers

6.1.Q: What’s the difference between IoT and traditional router?

   A: IoT router is usually designed for low power consumption and long-distance communication, supporting a variety of low-speed network protocols, such as LPWAN and NB-IoT etc., while traditional router focus on high-speed data transmission and the construction of local area networks.

6.2.Q: How IoT router handle large amounts of data?

   A: IoT router performs data preprocessing through built-in processor and uses edge computing technology to distribute some data processing tasks at the edge of the network to reduce the burden on the central server.

6.3.Q: How does IoT router ensure data security?

   A: IoT router use data encryption technologies, such as TLS/SSL, and network security protocols to protect security during data transmission. Security is enhanced by setting strong password policies and regularly updating firmware.

6.4.Q: Does IoT router support international standards?

   A: Yes, IoT router typically support multiple international communication standards and protocols to ensure seamless connectivity and communication between devices from different manufacturers.