Wi-Fi is wireless technology used to connect computers, tablets, smartphones and other devices to the Internet.
Wi-Fi is a radio signal sent from the wireless router, also known as the modem, to a nearby device, which translates the signal into data that you can see and use.
What Does Wi-Fi Mean?
Ironically, the Wi-fi "abbreviation" makes no sense.Wi-Fi, often referred to as WiFi, wifi, wi-fi or wi-fi, is often thought to be short for Wireless Fidelity, but there is no such thing.The term was created by a marketing firm because the wireless industry was looking for a user-friendly name to refer to some not-so-user-friendly technologies known as IEEE 802.11, so the name wi-fi was created.
How Does Wi-Fi Work?
Wi-Fi uses radio waves to transmit data from your wireless router to your Wi-Fi-enabled devices such as TVs, smartphones, tablets, and computers.Because they communicate with each other through airwaves, your devices and personal information can become vulnerable to hackers, cyberattacks, and other threats.This is especially true when you connect to a public Wi-Fi network in places like cafes or airports.Where possible, it is best to connect to a wireless network that is password protected or has a personal access point.
Wi-Fi Connection Types
As with Internet Service Providers, each type of wireless connection has its advantages and disadvantages, such as speed and signal strength.Here are a few of them:
Most homes and businesses use wireless modems to access the internet these days.Its advantages include ease of installation, mobility within range of the Wifi access point (router), and the ability to connect multiple devices.Cons: Limited bandwidth and low speed, as more devices are connected to the same Wifi network, as well as potential interference from other electromagnetic devices in the environment can complicate connectivity.
Mobile and private access points are becoming a more popular way to connect securely on the go.Nowadays most of any smartphone or tablet can be used as a temporary access point and is a great option if you need it occasionally.It's easy to use and doesn't require buying extra devices, but it can reduce your battery life and data quite quickly.On the other hand, hotspot devices, which are marketed by many service providers, act as a special mobile access point that receives a signal from base stations in your area, just like your smartphone.More devices can connect to it and offer a wider range of Wi-Fi.And since it is a separate device, it does not have any connection to the charging of your smartphone.
4G LTE Home Internet
If you live in a rural area where your Internet options are limited, you can consider 4G LTE Home Internet.It offers high-speed internet service with an average download speed of 25 Mbps over mobile phone towers and mobile networks, with less latency and more data than you would normally get by satellite.The benefits are better speeds and reliability depending on your operator.Several of the declines of the 4G LTE Home Internet can include limited availability and the cost of service and installation.
5G Home Internet
As 5G Home Internet (Fixed Wireless Access) becomes more widely available, it has the potential to be one of the best and most cost-effective internet services on the market.Using a new spectrum of powerful radio frequency over a wireless network, it offers more capacity than 4G, significantly higher speeds (up to 1Gig) and less latency than most people have at home.Since 5G wireless base stations are typically located within 2 km of homes, service reliability is usually noteworthy.The only real drawback of 5G Home Internet at the moment is that availability is very limited, but this situation is about to change completely.
What is Wi-Fi Frequencies and Channel Relationship?
ISM bands are used in Wi-fi systems. ISM bands are determined by ITU (International Telecomination Agency) and these frequencies are allocated worldwide. The frequencies determined by this institution for Wi-Fi communication are 2.4 GHz to 5 GHz.
The widely used Wi-Fi frequency in our country is 2.4 GHz. This broadcast frequency band applies to all modems on the market.
When we say 2.4 GHz frequency, we are actually talking about the top title. In other words, this frequency is allocated within a certain range and frequency channels are formed by dividing the frequency into certain channels.
Wi-Fi bandwithfor the 2.4 GHz = 2400 MHz band is set torange from 2412 MHz to 2472 MHz. One channel is assigned in response for each 5 MHz. In addition, bandwith (bandwith) for each channel is set to 22 MHz.
Wi-Fi Channel Frequencies
Channel 1 – 2412MHz
Channel 2 – 2417MHz
Channel 3 – 2422MHz
Channel 4 – 2427MHz
Channel 5 – 2432MHz
Channel 6 – 2437Mhz
Channel 7 – 2442Mhz
Channel 8 – 2447Mhz
Channel 9 – 2452Mhz
Channel 10 -2457Mhz
Channel 11 -2462Mhz
Channel 12 -2467Mhz
Channel 13 -2472Mhz
When switching between channels, the frequency of the broadcast made by the modem Wi-Fi modem changes as shownabove. Let's keep aside the gains we will gain with frequency change to open in the enterference section. Let's call the specified band width of 22 MHz the quality of the information to be transmitted and leave this topic here.
For 2.4Ghz Tape
Basically, Low Frequency = Range, High Frequency = Quality.
Example: When the Wi-fi channel 1 is 2412 mhz, our wi-fi signal reaches very long distances, but the connection problem may occur, so the speed may decrease.
Example: When the Wi-fi channel is 11. frequency 2462 mhz, our wi-fi signal reaches short distances, but there is no interruption in connection. High speed is taken.
If you are having connectivity problems, you can put the modem on the lowest channel, the modem at the top if you have a speed problem, and the channel where there will be no conflicts will solve your problem. Let's not forget that only low frequencies will be more affected by signal pollution. Therefore, wifi channels that will not experience conflicts between themselves are 1-6-11. If you choose one of these bloods, you get a smoother connection flow.
1,6,11 Importance of Channels
Your modem's settings can have multiple channel settings. Most routers have channel settings set to "Automatic", but if you look at the list there are a dozen Wi-Fi channels. So how do we know which Wi-Fi channels are faster than other channels on this list? Choosing the appropriate Wi-Fi channel can significantly improve your Wi-Fi coverage and performance. But even if you find the fastest channel there, it does not mean that you need to choose it immediately.
Various frequency bands(2.4 GHz, 3.6 GHz, 4.9 GHz, 5 GHz and 5.9 GHz)have their own channel ranges. Usually routers use the 2.4 GHz band with a total of 14 channels, but in reality there may be 13 or fewer channels used worldwide.
The most popular channels for 2.4 GHz Wi-Fi are 1, 6 and 11because they do not overlapwith each other . In a non-MIMO (Multiple-Input and Multiple-Output) installation, that is, you should always try to use channels 1, 6, or 11 with a width of 802.11 a, b, or g.
– What is MIMO: It is a radio term that means multiple inputs and outputs. It helps to improve the performance of the connection by using multiple antennas on the transmitter and/or receiver side.
For 5GHz Band
Increasing the frequency of the broadcast in the environment will reduce your distance while allowing you to make a better quality connection. So if you are having problems such as connectivity, shooting, using high frequency would be the wrong application. Although high frequencies in open areas give successful results, high frequencies in closed areas such as home will have negative consequences.
In theory, this is the case, but since ambient conditions and environmental conditions are one-on-one, it would be wrong to say for sure. The effect of ambient conditions on wifi signal environmental conditions and interference will be discussed in our next articles.
You can choose from 36-40-44 and 48 channels for high performance from the 5GHz band.
Should I Use 2.4GHz or 5GHz?
If you have a Wi-Fi router that you have purchased in recent years, there is a good chance of supporting both the 2.4 GHz and 5 GHz channel band. Since 2.4 GHz band support comes before the 5 GHz band, you can conclude that the 5 GHz band is always better. However, both groups have pros and cons that you need to know which one to use.
2.4 GHz: This band provides longer coverage, but transmits data at lower speeds.
5 GHz: This band provides less coverage, but transmits data at higher speeds.
In general, higher frequencies penetrate solid objects such as walls and trees more difficult, so the 5 GHz band is not perfect for publishing data in long ranges.
If you can't use both the 2.4 GHz and 5 GHz channel bands at the same time, we recommend that you test the bands independently and choose the one that allows you to achieve higher data transfer rates and lower latency.
Wi-Fi Signal Quality
There are certain situations and events that affect Wi-Fi signals:
Common Channel Interaction
On networks where devices communicate sequenciously, it takes time for each to wait their turn. Therefore, the device wait time is extended. This type of Wi-Fi interference is not actually an electromagnetic interference. Instead, we can explain it as wi-fi routers temporarily suspending the connection of other devices to transmit data.
Contiguous Channel Initiative
Contiguous channel meddling occurs when clients in overlapping channels propact at the same time. Wi-Fi channel selection is very important in such cases. Such channel-related attempts may be interrupted or excluded by selecting the appropriate Wi-Fi channel for your network.
In addition to Wi-Fi routers, there are many other electronic devices that can interfere with the 2.4 GHz band. Some of them are; Security cameras intervene because they use it to transmit data wirelessly, such as Bluetooth devices, baby monitors and smartphones, while others intervene because they emit large amounts of electromagnetic radiation, such as microwaves and other devices.
To prevent non-Wi-Fi interference, it is important to put your Wi-Fi router away from all sources of electromagnetic radiation, preferably away from walls, large furniture and similar solid objects.
How Should Wi-Fi Settings Be?
1. Step: To enter the modem or router interface, enter the home page by typing 192.168.1.1 in the address bar of your browser. You can also log in by typing https://modem for the interface screen of some new modems. In the user name and password section, type the login information that you customized.
2. Step : Click Wi-Fi (Wi-Fi).
3. Step : Specify a unique SSID, i.e. Wi-Fi name.
4. Step : Leave the Hide SSID option inactive. If you hide your SSID, you have to connect manually from your device by entering the network name and password.
5. Step : If you are using an 802.11 ac modem, select the option where all protocols are located. If you are not using it and the devices that will establish a wireless connection in your home are the new model; select wireless mode N only mode, and if not b/g/n mode.
6. Step : If your modem is 5 GHz in the channel bandwidth section, select 20/40 MHz here and only 20 MHz if it is 2.4 GHz.
BC Step : Channel selection. This episode is a hot spot. Channel selection will vary depending on other modems around you. So, how do you choose the idle channel that will not cause interference?
If you're using a Windows 10 operating system, if you're using a device, download and scan theWi-FiAnalyzer app from the Microsoft Store here. After viewing the channels used by the wireless networks around you, select the idle channel from your modem. If it is empty, it will be healthier to choose channel 1, 6 or 11 for 2.4 GHz. When you open the program, you can view the appropriate wireless channel that you should use in your environment in the Analyze section.
The wi-fi analyzer program's proposed wireless channel appears as the 11th channel.
On Mac,click the Wi-Fi icon with the "alt" key. On the drop-down menu, open the "Wireless Network Diagnostics" section. When Wireless Network Diagnostics is turned on, you can view Wi-Fi channels with theScan Window> option in the status bar.
8. Step : Select WPA2from authentication management and AESfrom WPA encryption.
How to set up the best Wi-Fi after you follow the actions we shared with you in our guide, your connection and speed problems with your Wi-Fi connection will be resolved.