English 
Tiếng Việt Trong thời buổi công nghệ ngày càng phát triển hiện nay, chúng ta bắt gặp khái niệm “router wifi” rất nhiều. Nhưng không phải ai cũng biết what a wifi router is. In this article, we will answer questions aboutthe wifi router deviceand its features and uses.
Router là gì ?
According to Wikipedia, Router is a routing device. A router is a computer network device used for transferring data packets through an internetwork and to end-point destinations, through a process called routing. In simple terms, a router is a device for sharing the Internet to many other devices within the same network class.
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Router wifi là gì ?
A WiFi router is a wireless router that broadcasts wirelessly (WiFi signal). This device allows the creation of a WiFi network for many other devices such as computers, laptops, phones, and other WiFi devices. A WiFi router requires a main modem to operate.
Router thường có khá nhiều cổng Ethernet (còn gọi là cổng LAN) cho phép người dùng có thể kết nối được nhiều với các thiết bị khác thông qua cáp nối (mạng có dây hoặc hữu tuyến). Ngoài ra Router wifi còn có cổng WAN (1 – 2 cổng), angten phát sóng wifi (Có thể có hoặc không).
Currently, there are many manufacturers of quality, affordable WiFi routers on the market such as TP-Link, Huawei, Xiaomi, Totolink, Asus, Buffalo, Draytek, Linksys, Tenda… Among WiFi router products, there are 4G WiFi routers. These are devices that broadcast WiFi from a 4G SIM, with speeds no less than WiFi routers. You can check out a typical product like Huawei B593.
Nguyên lý hoạt động của router wifi
Wireless routerReceive internet data from a modem and each router will have a unique public IP address on the internet. Servers on the internet will connect to the router through the modem and this device is responsible for routing traffic to other devices on the network.
The device allows you to share your internet connection with computers, tablets, smartphones, and other WiFi devices in your home via WiFi. The router will reduce the load of the WiFi modem, helping to extend the WiFi connection range.
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Các chức năng của router wifi
- A WiFi router functions to send network data between 2 or more networks
- From the router you can plug the LAN cable to your computer, laptop
- Helps extend WiFi coverage within floors, areas
- Reduces connection load for the main modem, limiting disconnection when too many people access the same WiFi network
Summary of the best 4G WiFi routers today
After this article, you already know what a WiFi router is, right? If you are in need of a wireless router, please research online to find the most suitable device!
