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• 09:00, 27 October 2022 Jan talk contribs created page Bluetooth (Created page with "Bluetooth uses the same 2.4Ghz ISM band as WIFI, it uses 80 channels of 1Mhz and all the channels through frequency hopping. The idea of bluetooth was to be a wireless version of usb, but many releases later the reality is more complicated. Bluetooth 2 added EDR to increase the datarate. BL5 added BLE Bluetooth Low Energy, coexists with Bluetooth, but is incompatible. It uses 40 channels of 2Mhz and originates from Nokia Wibree. Bluetooth has GATT device Generic Attribu...")