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Interference with Bluetooth 2.1 EDR

Jonathan Cohn
Expert 1685 points

Has anyone noticed any interference between BLE and EDR when using them together on the same iPhone.  I noticed a pulsing noise and clicking when using my car's hands free calling feature and connected to a peripheral. The clicking seemed to be at the same rate as the peripheral was broadcasting.

I'm going to continue to do more testing and post my results, but I wasn't sure if others have witnessed this...

  • 0
    TI__Expert 4060 points

    Hi,

    I cannot say I have done any exhaustive testing, but I have tested using A2DP headphones at the same time without noticing any effects. This is a bit different from using the headset profile; A2DP sends more data, but I believe the headset profile is less flexible on when that data gets sent, so it is possible that the headset profile is the more challenging coexistence scenario.

    Karl

  • 0
    Expert 1740 points

    BY no means pro in BT classic audio profile, I still suspect it is iPhone's quirk, not something coming from using same bands.