Function
The following are some of the wifi functions that you need to know, including:
Wireless communication media
The first is that wifi functions as a medium of communication between devices without using cables / wireless.
This wifi can also be likened to a substitute for a wired network. Where on the wifi network has been which is usually designed on an office network or workplace to make it more simple and practical. Because every user no longer needs to use a cable as a transmission medium.
Modem from smartphone
By using this wifi, smartphones or other devices can easily connect to the internet so that users no longer turn on paid data packages.
Not only that, even if your smartphone also supports wireless devices, you can also use your smartphone as a modem.
This will certainly be very useful, especially if you are traveling to a place that does not have wifi.
If your data package is large enough, then when you want to access the internet via a laptop, for example, you can use your smartphone to be used as a modem that uses a wifi signal to connect to your laptop.
Faster internet speed
It’s different when you access the internet via a cellular network, which is often slow depending on the signal. In general, the speed of internet access using this wifi will be more guaranteed speed.
One indication is that you can stream videos seamlessly without breaking up, download large documents quickly, access that does not require loading time.
Sharing data between devices
For example, if you have two electronic devices, then you want to transfer data to one of the other devices.
By using this wifi, you no longer need a cable. So that the work will be more practical and efficient.
Connecting devices to a network
Unlike the case on a wired LAN network whose users are limited, this wifi can be used on many computers without adding the number of cables.
Thus, wifi will make it easier for many users to simultaneously connect to a network.
How Wifi Works
Simply put, wifi works by using radio waves.
Then share the data sent or requested by the user that streaks through the air using radio waves.
In order to translate data and documents sent via radio waves, a computer must have a wireless adapter so that it can connect to wifi.
These radio waves are in the form of signals which are then sent to a router which functions as a decoder (code translator).
After successfully translated, the data is then sent to the internet network using an ethernet connection.
This wifi network works in two directions, on each data received via the internet also at the same time through the router to then be coded by it for each data packet.
Then it is sent back in the form of a radio signal that has been received by the adapter on the wireless computer.
WiFi Advantages and Disadvantages
The following are some of the advantages of wifi, including:
Can save costs.
This wifi network is very durable and resistant to various kinds of interference.
Reducing the use of cables, and can overcome which cables cannot be used in certain places or rooms.
Practical when accessing the internet, doing file sharing, and others. Anywhere and anytime, of course, within a certain radius that can be reached by the hotspot.
Not too much in the configuration. For example, in an office there are several rooms, so it is enough to configure only one wifi network in each room. So if there are office employees who often change rooms or workplaces, there is no need to reconfigure the internet network.
Wifi Lack
The following are some of the disadvantages of wifi, including:
Security is not good, so the wifi network must be secured. For example by using a password. This is to avoid people who have no interest in accessing the wifi network itself.
Uneven signal distribution, due to distance limitations.
Wifi signal will tend to be affected by weather and climatic conditions.
Not suitable when used for very large data transfer activities.
Conclusion
Understanding wifi in general is a technology that is used to exchange data using radio waves (wireless) and utilize various electronic equipment.
Where every device that wants to connect to wifi must be at an access point or hotspot on the wireless network.
In a wifi network, in general, this access point has a range of up to 20 meters in a room.
But there are also those that have a longer reach to the outside.
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