Siemens S55...Do I buy Bluetooth Adapter Class 1 or Class 2? Does it matter?

Posted: 11-25-2003, 02:54 AM
Is S55 class 1 or class 2 bluetooth?
I've been looking at bluetooth adapters and see that there is a Class 1 type
that is good up to 100m and that there is a Class 2 type that is good up to
10m. Granted, I will only need the one that is good up to 10m at this time
however the "better" one is only $5 more in cost.

Does anyone know if class 1 or 2 bluetooth will work on the S55?

Joe


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Responses to "Siemens S55...Do I buy Bluetooth Adapter Class 1 or Class 2? Does it matter?"

G
G's Avatar
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Re: Siemens S55...Do I buy Bluetooth Adapter Class 1 or Class 2? Does it matter?
Posted: 11-25-2003, 08:05 AM
Either will work. All the "class" determination does is indicate the
theoretical maximum range of the device. Mobile devices like phones and
PDA's are generally class 2 (at least at the moment), as the shorter range
means lower power consumption. You may as well buy the class 1 device, as
this'll mean that the PC won't be the limiting factor for range (i.e. it'll
potentially work up to 100m); however don't expect the phone to work up to
100m, as the range of contact is dictated by the device with the shorter
range (i.e. using a class 1, 100m range dongle and a class 2, 10m phone =
potential 10m range of contact between the two devices).

Realistically, if you manage to get the phone working to the maximum 10m,
you're doing well (especially if there's a wall in between)!

hth
G

"Joe Lastoria" <lastoriaTHIS@telus.net> wrote in message
news:mvzwb.152893$jy.113959@clgrps13...
> Is S55 class 1 or class 2 bluetooth?
> I've been looking at bluetooth adapters and see that there is a Class 1

type
> that is good up to 100m and that there is a Class 2 type that is good up

to
> 10m. Granted, I will only need the one that is good up to 10m at this time
> however the "better" one is only $5 more in cost.
>
> Does anyone know if class 1 or 2 bluetooth will work on the S55?
>
> Joe
>
>



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Joe Lastoria
Joe Lastoria's Avatar
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Re: Siemens S55...Do I buy Bluetooth Adapter Class 1 or Class 2? Does it matter?
Posted: 11-25-2003, 08:17 AM
Thanks G,

You made the comment about Class 2 having lower power consumption. That
makes sense however do you know if Class 1 has the same low power
consumption when the distance is 10 meters or less, or does class 1 always
use more power?

Joe

"G" <cool_and_funky@*-nospamthanks_*yahoo.com> wrote in message
news0Ewb.4720$K%5.98@news-binary.blueyonder.co.uk...
> Either will work. All the "class" determination does is indicate the
> theoretical maximum range of the device. Mobile devices like phones and
> PDA's are generally class 2 (at least at the moment), as the shorter range
> means lower power consumption. You may as well buy the class 1 device, as
> this'll mean that the PC won't be the limiting factor for range (i.e.

it'll
> potentially work up to 100m); however don't expect the phone to work up to
> 100m, as the range of contact is dictated by the device with the shorter
> range (i.e. using a class 1, 100m range dongle and a class 2, 10m phone =
> potential 10m range of contact between the two devices).
>
> Realistically, if you manage to get the phone working to the maximum 10m,
> you're doing well (especially if there's a wall in between)!
>
> hth
> G
>
> "Joe Lastoria" <lastoriaTHIS@telus.net> wrote in message
> news:mvzwb.152893$jy.113959@clgrps13...
> > Is S55 class 1 or class 2 bluetooth?
> > I've been looking at bluetooth adapters and see that there is a Class 1

> type
> > that is good up to 100m and that there is a Class 2 type that is good up

> to
> > 10m. Granted, I will only need the one that is good up to 10m at this

time
> > however the "better" one is only $5 more in cost.
> >
> > Does anyone know if class 1 or 2 bluetooth will work on the S55?
> >
> > Joe
> >
> >

>
>



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G
G's Avatar
Posts: n/a
 
Re: Siemens S55...Do I buy Bluetooth Adapter Class 1 or Class 2? Does it matter?
Posted: 11-25-2003, 04:14 PM
To be honest, I don't know. If I had to guess though I'd probably presume
that it still uses more power, as otherwise it wouldn't be able detect
devices further away than 100m (and would effectively be acting as a class 2
device defeating the point of having greater range). However, I know on
some bluetooth class 1 dongles you can manually lower the signal strength
(and consequently range); I'd bet that lowers the power consumption but I
wouldn't know how comparable that was to a class 2 device.

G

"Joe Lastoria" <lastoriaTHIS@telus.net> wrote in message
news:ieEwb.154134$jy.12431@clgrps13...
> Thanks G,
>
> You made the comment about Class 2 having lower power consumption. That
> makes sense however do you know if Class 1 has the same low power
> consumption when the distance is 10 meters or less, or does class 1 always
> use more power?
>
> Joe
>
> "G" <cool_and_funky@*-nospamthanks_*yahoo.com> wrote in message
> news0Ewb.4720$K%5.98@news-binary.blueyonder.co.uk...
> > Either will work. All the "class" determination does is indicate the
> > theoretical maximum range of the device. Mobile devices like phones and
> > PDA's are generally class 2 (at least at the moment), as the shorter

range
> > means lower power consumption. You may as well buy the class 1 device,

as
> > this'll mean that the PC won't be the limiting factor for range (i.e.

> it'll
> > potentially work up to 100m); however don't expect the phone to work up

to
> > 100m, as the range of contact is dictated by the device with the shorter
> > range (i.e. using a class 1, 100m range dongle and a class 2, 10m phone

=
> > potential 10m range of contact between the two devices).
> >
> > Realistically, if you manage to get the phone working to the maximum

10m,
> > you're doing well (especially if there's a wall in between)!
> >
> > hth
> > G
> >
> > "Joe Lastoria" <lastoriaTHIS@telus.net> wrote in message
> > news:mvzwb.152893$jy.113959@clgrps13...
> > > Is S55 class 1 or class 2 bluetooth?
> > > I've been looking at bluetooth adapters and see that there is a Class

1
> > type
> > > that is good up to 100m and that there is a Class 2 type that is good

up
> > to
> > > 10m. Granted, I will only need the one that is good up to 10m at this

> time
> > > however the "better" one is only $5 more in cost.
> > >
> > > Does anyone know if class 1 or 2 bluetooth will work on the S55?
> > >
> > > Joe
> > >
> > >

> >
> >

>
>



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JerryK
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Posts: n/a
 
Re: Siemens S55...Do I buy Bluetooth Adapter Class 1 or Class 2? Does it matter?
Posted: 12-06-2003, 07:08 AM
I use a class 2 with a S56 and it works fine.


"Joe Lastoria" <lastoriaTHIS@telus.net> wrote in message
news:mvzwb.152893$jy.113959@clgrps13...
> Is S55 class 1 or class 2 bluetooth?
> I've been looking at bluetooth adapters and see that there is a Class 1

type
> that is good up to 100m and that there is a Class 2 type that is good up

to
> 10m. Granted, I will only need the one that is good up to 10m at this time
> however the "better" one is only $5 more in cost.
>
> Does anyone know if class 1 or 2 bluetooth will work on the S55?
>
> Joe
>
>



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