HOW DOES BLUETOOTH WORKS
with the rise of the Internet of Things and wearable electronics Bluetooth has forever been integrated into our lives but how does it work your extent of knowledge about Bluetooth technology could be anywhere from it's the magic that makes my SmartWatch work - it's a shortwave secure 2.5 gigahertz radio frequency used to establish a piconet between two or more devices chances are however that you stand somewhere in the middle of those two understandings wherever your understanding is let's explain bluetooth from simple to complex and an easy to comprehend way at its core bluetooth is the prime wireless technology used across virtually all devices Bluetooth is just an invisible wire that connects different devices together and hang with me here we're going to get more complex as we keep moving when we say Bluetooth we really mean the connectivity between devices because this involves both a signal and some hardware on the hardware side both devices need to be equipped with an antenna supplied chip that can encode decode in transmit data via an antenna we all have probably tried and hopefully succeeded at connecting a device through bluetooth what's really going on is the device that is set to be discoverable usually the one with the final output like a speaker sends out pinging signals that can be detected by other Bluetooth enabled devices in other words it shows up on your phone screen once you've it connect and link the devices together you've just formed a Pico net know this isn't a net used to catch yellow Pokemon Pikachu net okay this is actually a micro network of recognizable radio waves communicating back and forth between devices these waves are short about 15 meters so that there aren't conflicting Bluetooth waves all over the place the signal itself operates within a frequency of two point four to two point four eight five gigahertz which falls in the unlicensed scientific industrial and medical category to continue down the path to technical understanding according to the Bluetooth website it uses a spread spectrum frequency hopping full duplex signal at a nominal rate of Steen hundred hops per second to break that down into words that just about everyone can understand the signal isn't just on one frequency in fact it hops around to all different frequencies a lot about 1600 times per second to be exact this gives the Bluetooth signal connected between devices and prevents static from occurring due to competing signals it also helps it be ultra secure more so than your neighbours wireless network that you've been secretly stealing part of what has made Bluetooth so integral to modern technology is the fact that it requires very little power to operate the waves have a short broadcast range and data streams are optimized to communicate as little as needed newer Bluetooth technology allows low-power modes that can stay in contact with Bluetooth devices even when there's no power on at that instant with this low-power connectivity ability we can have things like trash cans that alert you when they're full or even a toilet seat that alerts you when you forgot to put the seat down to sum up Bluetooth technology it's like a virtual cord between devices that allows you to communicate fast efficiently and securely it's the center of what makes wireless technology possible Bluetooth is magic you
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