Wireless data transmission: There is an exciting part of our devices in which the devices communicate among themselves without the use of any wires. It’s like magic! Imagine that you can send messages or share information (for e.g., news, or prices, etc.) without needing and planting a message or sending piece of data to some other function? There are several type of wireless data transfer and can help in different scenarios. Certain types work well when devices are near each other, and others are able to transmit signals over long distances. Let’s explore these types in more detail, and how they function!
Something that we call a short-range wireless solution. Bluetooth is one prime example of this. You may have paired your phone with a speaker or with your headphones using Bluetooth so you can listen to music or talk on the phone without wires getting in the way. Bluetooth is wireless and uses radio waves to transfer information between devices within about 30 feet. This comes in handy, especially if you want to gamely listen to music without being tied to wires!
No one disliked having high-speed internet while we are on the go. This is what gave rise to 3G, 4G, and 5G. They make this possible with various kinds of wireless internet that allows us to get connected to the web from any part of the word. 3G is the slowest of the three; it is still orders of magnitude faster than the dial-up internet found not too long ago. And there is 4G, which is faster than 3G, and enables us to download quickly movies, music and games. The latest technology is 5G, the fastest of them all! Thanks to 5G, you have yet to wait when you download and stream videos, which makes it an ideal alternative for travelers who like to binge on shows or games.
Wireless technology has several cool features, another one being contactless payments. This means you are able to pay for things without having to use cash or showing a credit card Instead, you can use your phone or one of the other devices to complete the payment. You only pay for purchases with Apple Pay (for example) by holding your phone close to the payment machine, and (in principle) without even asking your permission to deduct money from the card. This happens because your phone is using a wireless connection — Bluetooth, for example, or NFC — to send the payment information to the machine. It is quick, simple, useful, particularly when in a rush!
At times you want to move data fast, like when you want to make a backup of your pictures or send a large file to a friend. Wi-Fi Direct is one option for doing this. Successful connection between your devices is made possible using Wi-Fi Direct, that connects two devices directly and allows them to communicate without a router. This is super useful if you’re in a location that lacks Wi-Fi and need to quickly transfer data. Share pictures, videos or any kind of files instantly and effortlessly which keeps you connected with your friends and loved ones.
If you need to transmit the data over a longer range, e.g. from one building to another or from the sensor to a sensor and across a larger open area, you can use LoRaWAN technology. Long Range Wide Area Network (LoRaWAN) It employs long-range radio waves to transmit data more than twice as far as Bluetooth or Wi-Fi. This technology, for example, is often deployed in smart cities, which is when you embed sensors throughout a city capable of measuring almost anything — air quality, traffic, parking space and so on. LoRaWAN is helping cities to collect data and make better informed choices for their post-people.
Wi-Fi is one of the most common types of wireless connectivity we use every day, but it's also one of the simplest. Wi-Fi enables our devices to get connected to the Internet without wires. You can also connect to Wi-Fi easily for your phone, tablet or computer, in public places such as libraries or coffee shops, or at home. Because Wi-Fi uses radio waves to transmit data, it is extremely easy for a majority of people to access the internet. It’s a cornerstone of how we engage with the world today — working, learning and staying in contact with one another.
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