Re: Maximum simultaneous Bluetooth connections
Re: Maximum simultaneous Bluetooth connections
- Subject: Re: Maximum simultaneous Bluetooth connections
- From: Etan Kissling <email@hidden>
- Date: Tue, 19 Feb 2013 21:15:57 +0000
- Thread-topic: Maximum simultaneous Bluetooth connections
Just found it:
http://lists.apple.com/archives/bluetooth-dev/2013/Jan/msg00067.html
On 19.02.2013, at 22:13, Etan Kissling <email@hidden>
wrote:
> Classic BT offers only 7 parallel connection even in theory.
> The previous thread was also with BLE. Don't recall the date when it was posted
> but it was this mailing list.
>
> On 19.02.2013, at 22:12, Sergei Shevlyagin <email@hidden>
> wrote:
>
>> Thanks Etan! Just to be 100% clear this is an issue with BTLE not just
>> classic BT?
>>
>> On 2/19/13 1:11 PM, "Etan Kissling" <email@hidden> wrote:
>>
>>> Sergei,
>>>
>>> There was a thread on this mailing list where streaming data over three
>>> concurrent connections already created problems.
>>> While 100 is theoretically possible, the current technology is not yet as
>>> far progressed.
>>>
>>> Etan
>>>
>>> On 19.02.2013, at 21:07, Sergei Shevlyagin <email@hidden>
>>> wrote:
>>>
>>>> Thanks for the answers. To make my question clearer:
>>>> - Max # of simultaneous connections to an iOS device, e.g. iPad 4, using
>>>> Bluetooth Low Energy
>>>>
>>>> I understand that according to Frederik there's no theoretical maximum,
>>>> I
>>>> wonder if anyone has hit an actual maximum.
>>>>
>>>> Thanks,
>>>> Sergei
>>>>
>>>> On 2/19/13 9:14 AM, "Chris Hall" <email@hidden> wrote:
>>>>
>>>>> One of the engineers stated the number was 10 devices.
>>>>>
>>>>> Chris Hall
>>>>>
>>>>>
>>>>>
>>>>> Sent from my iPhone
>>>>>
>>>>> ----------------
>>>>>
>>>>>
>>>>> On Feb 19, 2013, at 11:54 AM, Frederik Vibe-Petersen <email@hidden>
>>>>> wrote:
>>>>>
>>>>>> Bluetooth LE supports many devices. The number '7' or '8' is within
>>>>>> the
>>>>>> Standard Bluetooth 2.1 (+EDR) which the iPhone support under the MFI
>>>>>> program.
>>>>>>
>>>>>> As I have learned, the number of simultaneous connected devices is
>>>>>> based on
>>>>>> the actually memory in the iPhone, designated to the Bluetooth chip.
>>>>>>
>>>>>> The Bluetooth LE standard officially supports unlimited devices (see
>>>>>> print-screen of the official document here:
>>>>>>
>>>>>>
>>>>>> https://dl.dropbox.com/u/3817170/Bluetooth LE Official Document.p
>>>>>> ng
>>>>>> )
>>>>>>
>>>>>> So, as we don't know how much memory Apple designated to the Bluetooth
>>>>>> LE
>>>>>> protocol/hardware, and how efficient they have made it, it's hard to
>>>>>> tell
>>>>>>
>>>>>> I don't remember seeing any official number from Apple?
>>>>>>
>>>>>>
>>>>>> On 19/02/13 17.42, "Michael Kroll" <email@hidden> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>> I can remember that about 8 connections are supported at the same
>>>>>>> time. Might
>>>>>>> be wrong that it is only seven, but very sure that it's not 100+.
>>>>>>>
>>>>>>> Regards,
>>>>>>> Dr. Michael Kroll.
>>>>>>> --------------------
>>>>>>> Blog: http://www.mkroll.mobi
>>>>>>> Forum: http://forum.mkroll.mobi
>>>>>>> Twitter: @dr_m_kroll
>>>>>>>
>>>>>>> Sent from iPhone.
>>>>>>>
>>>>>>> On 19.02.2013, at 17:37, Sergei Shevlyagin
>>>>>>> <email@hidden>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> Does anyone know the maximum number of simultaneous Bluetooth LE
>>>>>>>> connections
>>>>>>>> that a device can handle? I'm working on an application that needs
>>>>>>>> to
>>>>>>>> collect
>>>>>>>> data from many (100+) devices in real time.
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Sergei
>>>>>>>> _______________________________________________
>>>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>>>> Bluetooth-dev mailing list (email@hidden)
>>>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>>>
>>>>>>>>
>>>>>>>> om
>>>>>>>>
>>>>>>>> This email sent to email@hidden
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>>> Bluetooth-dev mailing list (email@hidden)
>>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>>
>>>>>>> k
>>>>>>>
>>>>>>> This email sent to email@hidden
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> **********************************************************************
>>>>>>> **
>>>>>>> ******
>>>>>>> **
>>>>>>> Denne mail er blevet scannet af http://www.comendo.com og indeholder
>>>>>>> ikke
>>>>>>> virus!
>>>>>>>
>>>>>>>
>>>>>>> **********************************************************************
>>>>>>> **
>>>>>>> ******
>>>>>>> **
>>>>>>
>>>>>> Med Venlig hilsen/ Best Regards
>>>>>> Frederik Vibe-Petersen
>>>>>> Export Officer
>>>>>>
>>>>>> Direct: + 45 4918 8169
>>>>>> Mobile: + 45 4055 1821
>>>>>> Mail: email@hidden
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>> Bluetooth-dev mailing list (email@hidden)
>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>>
>>>>>>
>>>>>> .c
>>>>>> om
>>>>>>
>>>>>> This email sent to email@hidden
>>>>
>>>>
>>>> _______________________________________________
>>>> Do not post admin requests to the list. They will be ignored.
>>>> Bluetooth-dev mailing list (email@hidden)
>>>> Help/Unsubscribe/Update your Subscription:
>>>>
>>>> h
>>>>
>>>> This email sent to email@hidden
>>>
>>
>
>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Bluetooth-dev mailing list (email@hidden)
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Bluetooth-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden