Sometimes referred to as Walkie-Talkies, especially in the US, two-way radios are designed to be compact hand held devices with the ability to change channels (frequency) operating on a short range.
Looking back, they were originally developed for the Canadian government during World War 2. They then became commonplace in armed forces around the world and [...]

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Bluetooth was designed to allow low bandwidth wireless connections to become easy to use so even those who are new to wireless can use them. Version 1.1 of Bluetooth describes a low power, short range wireless networking technology that uses radio waves to send data at rates up to 720 kilobits a second.
The specification for [...]

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