Re: Maximum simultaneous Bluetooth connections
Re: Maximum simultaneous Bluetooth connections
- Subject: Re: Maximum simultaneous Bluetooth connections
- From: Sergei Shevlyagin <email@hidden>
- Date: Tue, 19 Feb 2013 13:12:44 -0800
- Acceptlanguage: en-US
- Thread-topic: Maximum simultaneous Bluetooth connections
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
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>>>> Med Venlig hilsen/ Best Regards
>>>> Frederik Vibe-Petersen
>>>> Export Officer
>>>>
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