The Bluetooth Technology Alliance officially announced the Bluetooth 5.0 standard. After several months of revision, the standard is now officially finalized and released. In fact, this generation called Bluetooth 5.0 is not accurate, because the official statement is Bluetooth 5, literally translated as Bluetooth 5, which has many years of v and. 0 It is said that because the mouth was abandoned in the propaganda.
In terms of specifications, the Bluetooth 5 bandwidth (transmission speed) has doubled again, from 1 Mbps to 2 Mbps, the signal transmission distance has increased four times, and the theoretical transmission distance has reached more than 300 meters.
At the same time, Bluetooth 5 can broadcast 255 Byte packets instead of 31 Bytes, thus reducing the transmission efficiency loss caused by interference in the 2.4 GHz band. This also reduces packet loss during data transmission and reception.
In addition, Bluetooth 5 has also been enhanced for indoor and outdoor positioning, that is, it can transfer a larger amount of information to other compatible devices without establishing an actual connection. Bluetooth 5 is backward compatible with Bluetooth v4.0 LE and is expected to become one of the main solutions for the future communication protocol of IoT devices.
Compared with the previous version, Bluetooth 5 is twice as fast as the previous generation data transmission speed and 800% in data transmission capacity improvement. In other words, with Bluetooth 5 you can transfer and receive more data faster.
Compared with Bluetooth v4.2, the new standard is more than 4 times the range of the former, which is especially valuable for portable speakers. Now you can take your cell phone to a farther place without worrying about the concert being broken. According to the performance of Bluetooth 4.2 before, in the actual use environment, according to the prediction of Xiaobian, Bluetooth 5 can maintain an effective distance of about 30-50 meters.
In fact, the previous generation of Bluetooth v4.2 already has some features that focus on the Internet of Things, while Bluetooth 5 is the main focus of these functions. Of course, the farther distance of use will also increase the integration of smart homes, and the stronger delivery capacity means that the new standard will allow IoT devices to communicate more easily.
Bluetooth 5 is expected to arrive at the end of the year or early next year, but there may not be a supported device for sale in the short term after its launch. Audio, headphones and mobile devices will be the first to taste the sweetness, and then will be applied to devices such as TV remotes and game consoles. In addition, even if your existing Bluetooth device is compatible with Bluetooth 5, it does not mean that you can enjoy its stronger performance. At that time, we need friends to wait for new equipment.
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