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5 Bluetooth connections from Model 3

Discussion in 'Model 3' started by privater, Jan 22, 2018.

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  1. privater

    privater 2016 Model S and 2017 Model 3 owner

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    #1 privater, Jan 22, 2018
    I find the Model 3 has 5 bluetooth connection with my Phone, one is traditional bluetooth connection for music/data, 4 are Bluetooth 4.0 BLE which is always on, why Model 3 is using 4 individual bluetooth BLE connection is beyond my understanding, any thoughts?

    btw, if switch Model 3 profile to Model S, or simply delete the bluetooth connection with Model 3 will make those BLE connection disappear.


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  2. araxara

    araxara S-P85#3,218 X-90D#3,299

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    #2 araxara, Jan 22, 2018
    Those BLE connections are for the phone-as-key feature. Maybe there are 4, because there are 4 BLE devices around the car to detect the location of the phone - similar as to how it's done for a regular key fob on the Model S, where there are multiple antennas.
     
    • Informative x 2
  3. run-the-joules

    run-the-joules Active Member

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    #3 run-the-joules, Jan 22, 2018
    Plausible that they're using multiple BLE devices to more accurately triangulate & calculate time of flight, so they can make the unlock and lock actions happen at more acceptable distances, or even be configurable, as well as not aggressively capture bluetooth audio signals and start playing too early, etc.
     
    • Informative x 1
  4. UltralightBeam

    UltralightBeam Member

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    #4 UltralightBeam, Aug 14, 2018
    I wonder also if this may have something to do with any of the onboard systems. They're still connected even though I'm in my home. Phantom Drain?
     
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