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Who expects radios of any sort to work without antennas attached? A better question might be why Wi-Fi worked at all in that state. Wi-Fi uses a lot more transmit power, so it's better able to make up for the extreme attenuation that comes from not having any antenna connected. Not only does Bluetooth use a lot less power, but modern Bluetooth audio uses all ...


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Bluetooth 5 is only backward compatible to Bluetooth 4.0 and 4.x devices. Not farther back than that. Bluetooth 5 compatibilty Bluetooth 5 is only backward compatible with Bluetooth 4.0, Bluetooth 4.1 and Bluetooth 4.2, but to get the speed and range improvements you will need to have a Bluetooth 5 device connecting to another Bluetooth 5 device. If you buy ...


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