Bluetooth is a protocol, or language, used to transmit data using radio frequencies (RF). Bluetooth has some advantages over other RF technologies, but it has drawbacks as well. Which RF technology is best depends on the purpose and requirements of the connection. If long battery life and low interference are priorities, Bluetooth is going to be the best option for a wireless connection. But if quality and range are more important, then you’d be better off with a standard 2.4GHz wireless connection.
Bluetooth uses a technique called frequency hopping to transmit its data. This makes it much more resistant to interference from other devices operating in the same frequency range. It is also able to transmit data using very low power, which allows for a longer battery life in devices using it. The signal quality is somewhat inferior to other connections though, so applications like audio transmission lose some quality when transmitted over Bluetooth.
The latest Bluetooth versions make strides toward correcting this though, making the quality acceptable to many users. The latest version also significantly increases the signal’s range as well, which had been another drawback to using Bluetooth for wireless connections. It still doesn’t have the same range as other wireless connections, but it is considerably better than it was.
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