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linux:bluetooth:advertisement [2018/09/28 08:55] – created niziaklinux:bluetooth:advertisement [2021/07/07 12:40] (current) niziak
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 +====== Advertisement ======
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 BLE has 40 channels (wider spacing 2MHz than classic BT) BLE has 40 channels (wider spacing 2MHz than classic BT)
 Channels 37, 38, 39 are designated to be advertisement channels. Those channels are located at begining, middle at end of radio band.  Channels 37, 38, 39 are designated to be advertisement channels. Those channels are located at begining, middle at end of radio band. 
 Location was chosen to do not interact with main 3 WiFi channels (1,6,11) Location was chosen to do not interact with main 3 WiFi channels (1,6,11)
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 +Each advertisement is transmitted on all 3 channels in 10ms intervals.
  
 Some of the most commonly used Advertising Data Types are: Some of the most commonly used Advertising Data Types are: