It’s because of these separate bands that you can listen to things like your morning AM radio talk show while at the same time browsing the web on your smartphone. In its most recent evolution, you’ll also find WiFi advancing into the Super high frequency (SHF) band between 3GHz and 30GHz. WiFi and Bluetooth share their space in the Ultra high frequency (UHF) band between 300 MHz and 3GHz, along with other gadgets like baby monitors, cell phones, and more. Check out the table below to see how these break down: Name Within the radio wave family, there are distinct bands separated by frequency and wavelength, providing specific channels that devices can use.
Wavelength : This is the measurable distance between two of the highest points in a radio wave, which can range anywhere from 100 meters to 1 centimeter, depending on the radio wave you’re observing. Frequency : This is the count of how many electromagnetic waves pass through a given point every second and is measured in Hertz. On this electromagnetic spectrum, you can measure and classify radio waves that are used in Wifi, Bluetooth, and other applications in two ways: These waves can all defy even the toughest physical barriers, transmitting data, video, audio, and more through the vacuum of space at the speed of light. R adio waves are but one of many electromagnetic waves, including other family members like x-rays, gamma rays, infrared rays, and more. Sharing a common foundationīefore we even dive into the differences between WiFi and Bluetooth, it’s important to note that these technologies share a common foundation in the wireless electronics family through their use of radio waves. How exactly do these two technologies work, and how do you know which one to use in your first project? Let’s find out. While there are many ways to communicate wirelessly, the two leaders of the wireless world deserve some attention in your list: WiFi and Bluetooth. 
Planning to start your first electronics design project? Chances are you’ll be including some wireless functionality to communicate with the web or other devices.
Bluetooth, two of the most popular wireless communication methods. Learn about the difference between WiFi vs.
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