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Teach you to build a WiFi network with a wireless AP(WiFi AP)

Teach you to build a WiFi network with a wireless AP(WiFi AP)

Teach you to build a WiFi network with a wireless AP

Nowadays, most of the work areas, public places and homes are covered with WiFi, so that mobile devices such as mobile phones can access the Internet anytime and anywhere. So how is WiFi implemented?

The rise of WiFi technology has greatly changed people's work and life. Nowadays, most work areas, public places and homes are covered with WiFi, so that mobile devices such as mobile phones can access the Internet anytime and anywhere. So how is WiFi implemented? Most WiFi networks, especially enterprise WiFi, are now implemented through wireless APs.

What is a wireless AP?


Wireless APs are devices used to convert wired data signals into wireless data signals, allowing mobile devices such as laptops and mobile phones to access the network anytime, anywhere. Such equipment is usually installed in offices and public places (such as train stations, hospitals, etc.) and is suitable for providing WiFi services in a wide area.


Factors affecting the performance of wireless AP networks


The performance of a wireless AP is related to many factors. If you want to purchase a wireless AP device, you should include the following points:


Rate


The speed of wireless APs is various. The common ones are 300Mbps, 1200Mbps, 1750Mbps or even higher. The higher the rate, the faster the mobile device can access the Internet. It should be noted that the price of a wireless AP device is closely related to its rate. The higher the rate, the higher the price.


Power supply


A wireless AP is an active device that requires power support to function properly. However, since wireless AP devices are usually deployed on walls or ceilings, it is very inconvenient to use local power supply. Based on this, people have applied Power over Ethernet (PoE) technology to wireless AP devices. Now we can use one network cable to transmit data and current to wireless AP devices at the same time. If you have a high demand for wireless AP flexibility, it is recommended that you purchase a wireless AP device with PoE capabilities.


Coverage


We know that wireless signals are easily attenuated, so the distance and coverage of wireless APs providing WiFi services is limited.


Single frequency or dual frequency


One of the important parameters of the wireless signal is the radio frequency band, and there are two kinds of radio frequency bands of the WiFi signal: 2.4 GHz and 5 GHz, wherein the 5 GHz band has many channels and the interference is small, while the 2.4 GHz band has fewer channels and more signals, and is still in the The common frequency band is therefore particularly disturbing. Nowadays, wireless AP devices on the market are available in single frequency and dual frequency, and users can freely choose according to their needs.


After the wireless AP device is installed, the cable is used to deliver signals and current to the device. For wireless AP devices with PoE function, it is easy to use only one Ethernet cable (as shown below); for wireless AP devices without PoE function, we also need to use the power cable to power the device.


Wireless AP is an ideal solution for providing WiFi services to public areas such as offices, hospitals, train stations, etc. At the time of purchase, we should consider various parameters such as speed, power supply mode, coverage, etc. according to the needs. Cost of the product.

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