Bluetooth vs bluetooth le
Bluetooth vs bluetooth le Bluetooth#
But neither can match the low cost, simplicity and ultra-low power consumption of Bluetooth LE in applications that transmit small amounts of data.īluetooth LE may have its attractions but what are the limits of the wireless communications interface that it provides? ZigBee provides a flexible mesh networking architecture, ideal for complex and multi-node networks, and Wi-Fi supports very high data rates. The two other familiar industry standards for short-hop RF connectivity are ZigBee and Wi-Fi, and both have a strong appeal to different applications. This is Bluetooth LE’s strongest suit: many other proprietary and industry-standard short-range RF protocols are available, but none offers Bluetooth’s compatibility with, in future, billions of smartphones, tablets and laptop computers. It is easy to see how this technology could provide a means for manufacturers of so-called ‘appcessories’, such as activity monitors or personal health monitors, to connect wirelessly and automatically to a host computing device which provides storage, display, processing and networking functions. Slave devices supporting Bluetooth LE have a readily available pool of compatible master devices which provide both a platform for running apps and a gateway to the internet. In the case of Bluetooth LE, this frequency band is split into 40 channels with 2MHz spacing, whereas Classic Bluetooth uses 79 channels with 1MHz spacing.) So manufacturers of Classic Bluetooth chipsets can add support for Bluetooth LE to their products at almost no cost.Ĭlassic Bluetooth is already a mandatory feature of every smartphone, tablet and laptop: the way the Bluetooth 4 specification has been designed means that in future, these devices will all be Bluetooth Smart Ready, enhancing their consumer appeal without inflating their prices.
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(The Bluetooth frequency range is actually 2,400MHz – 2,483.5MHz. For instance, Bluetooth LE uses the same 2.4GHz frequency band as Classic Bluetooth and the same antenna. The Bluetooth SIG designed the Bluetooth LE counterpart to Classic Bluetooth cleverly, so that compatibility with Bluetooth LE could be cheaply added to devices which support Classic Bluetooth.