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      01-06-2007, 03:11 AM   #1
3thirty5
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Talking long range bluetooth

I just found out tonight that the bluetooth connect between my phone (Samsung A950) and my 335i has a pretty long range. I was in the garage cleaning my car earlier and my cell phone was charging in my room ON THE 3RD FLOOR! and all of a sudden i received an incoming call from my girl friend, i was shocked the range was so long, and when i answered the reception was just as good as if my phone was in the car. this might be old information for some of you... but it's new to me!
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      01-06-2007, 10:18 AM   #2
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Quote:
Originally Posted by 3thirty5
I just found out tonight that the bluetooth connect between my phone (Samsung A950) and my 335i has a pretty long range. I was in the garage cleaning my car earlier and my cell phone was charging in my room ON THE 3RD FLOOR! and all of a sudden i received an incoming call from my girl friend, i was shocked the range was so long, and when i answered the reception was just as good as if my phone was in the car. this might be old information for some of you... but it's new to me!
Cool...

do you have an adapter? i read in the manual that the cell phone adapter improves reception.
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      01-06-2007, 11:21 AM   #3
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Quote:
Originally Posted by Holeinoneboy
Cool...

do you have an adapter? i read in the manual that the cell phone adapter improves reception.
has no impact
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      01-07-2007, 02:47 AM   #4
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nope, no adapter at all, I usually just leave the phone charged in the centre console with a charger when i'm driving
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      01-07-2007, 10:26 AM   #5
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Quote:
Originally Posted by JSpira
has no impact

I am not so sure you are correct... after posting this, I happened to research this in the manual. On page 162, it suggests that by using the adaptor you connect your cell phone to the vehicle's outside antenna and "improve network connection and and consistent reproduction quality".
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      01-07-2007, 10:35 AM   #6
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Quote:
Originally Posted by Holeinoneboy
I am not so sure you are correct... after posting this, I happened to research this in the manual. On page 162, it suggests that by using the adaptor you connect your cell phone to the vehicle's outside antenna and "improve network connection and and consistent reproduction quality".
still no impact on bluetooth, which is what we are discussing
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      01-07-2007, 12:30 PM   #7
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Quote:
Originally Posted by 3thirty5
I just found out tonight that the bluetooth connect between my phone (Samsung A950) and my 335i has a pretty long range. I was in the garage cleaning my car earlier and my cell phone was charging in my room ON THE 3RD FLOOR! and all of a sudden i received an incoming call from my girl friend, i was shocked the range was so long, and when i answered the reception was just as good as if my phone was in the car. this might be old information for some of you... but it's new to me!
Bluetooth technically is only supposed to work for a range of 10m, but different devices would be + or - this average range.

I have had my phone ringing in my loungeroom once and answered it to no avail, but heard the caller in my BMW which I had forgotten to lock in my garage and so the phone was still paired
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      01-07-2007, 01:31 PM   #8
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Quote:
Originally Posted by JamieA
Bluetooth technically is only supposed to work for a range of 10m, but different devices would be + or - this average range.
No there are multiple flavors of Bluetooth; long range Bluetooth is good for 100 m for example.

Reception is also influenced by environmentals.
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      01-07-2007, 02:14 PM   #9
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Still good to know. Thx for the info.
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      01-07-2007, 04:38 PM   #10
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I experienced the exact same thing yesterday. Car was parked on the street, friends were unloading the trunk and I didnt lock the doors (using CA). I answered a call in the back of the house and it switched to the car! I then went upstairs and tried to call again and after a few seconds the phone prompted me "BT connection weak. Connect anyway?". I was very impressed. Id say it was a good 25 yards when it worked.
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      01-07-2007, 09:40 PM   #11
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Quote:
Originally Posted by JSpira
No there are multiple flavors of Bluetooth; long range Bluetooth is good for 100 m for example.

Reception is also influenced by environmentals.
I am talking about "standard" bluetooth - the stuff usually found in consumer goods and mobile phones. Of course there are other flavours, with longer range - the standard has been out for a while and is constantly developing, that happens to all standards in the IT industry.

And like any wireless technology, saying reception is affected by environmental factors is just a self evident statement.
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      01-07-2007, 10:22 PM   #12
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Quote:
Originally Posted by JamieA
I am talking about "standard" bluetooth - the stuff usually found in consumer goods and mobile phones. Of course there are other flavours, with longer range - the standard has been out for a while and is constantly developing, that happens to all standards in the IT industry.

And like any wireless technology, saying reception is affected by environmental factors is just a self evident statement.
what's your point?
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      01-08-2007, 12:59 AM   #13
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Quote:
Originally Posted by JamieA
I am talking about "standard" bluetooth - the stuff usually found in consumer goods and mobile phones. Of course there are other flavours, with longer range - the standard has been out for a while and is constantly developing, that happens to all standards in the IT industry.

And like any wireless technology, saying reception is affected by environmental factors is just a self evident statement.
Class 1 ("long-range") bluetooth isn't unheard of in mobile phones: the GSM RAZR V3 uses it, as does the Motorola H3 bluetooth headset. It's also common in PC bluetooth adapters, eg Mot BT850.

A quick google on the A950 says it has a "100m range" Bluetooth transciever, which is reasonable for Class 1. I'd be really surprised if the BMW kit (for which power consumption isn't an issue like it is for handsets) isn't also class 1.
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      01-08-2007, 02:47 AM   #14
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Quote:
Originally Posted by tintivilus
Class 1 ("long-range") bluetooth isn't unheard of in mobile phones: the GSM RAZR V3 uses it, as does the Motorola H3 bluetooth headset. It's also common in PC bluetooth adapters, eg Mot BT850.

A quick google on the A950 says it has a "100m range" Bluetooth transciever, which is reasonable for Class 1. I'd be really surprised if the BMW kit (for which power consumption isn't an issue like it is for handsets) isn't also class 1.
I take all your points.

Though this veers off the point of this thread a little... There are good reasons for limiting range though the top two being power consumption (for mobile devices), and increased security. I for one wouldn't like the possible range of "eavesdropping" on my conversations over bluetooth to be that wide... not that they would be likely to hear anything interesting though ... but I have seen consultants from Ernst and Young demonstrate how easily and how quickly it is to break into a bluetooth network with a laptop and some software.

Like all things these days there are risk trade offs for convenience. And most of us, including me, are willing to make them.
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