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2010-07-11
, 19:31
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Posts: 1,258 |
Thanked: 672 times |
Joined on Mar 2009
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#2
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Um, why? The device can't prefer 2.5g over 2g or the other way around. 2.5g modulations are only ever used if actual packet data needs to be used. At other times, the same command channels are used with both 2g and 2.5g.
If it's constantly "switching", it just means that at&t has a very patchy network with mixed ancient base stations and new basestations, and that you are in poor coverage if it's constantly changing between different cell towers..
If it's constantly "switching", it just means that at&t has a very patchy network with mixed ancient base stations and new basestations, and that you are in poor coverage if it's constantly changing between different cell towers..
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2010-07-11
, 19:46
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Posts: 2,355 |
Thanked: 5,249 times |
Joined on Jan 2009
@ Barcelona
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#3
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Isn't GPRS 2.5G actually?
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2010-07-11
, 19:56
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Posts: 3,159 |
Thanked: 2,023 times |
Joined on Feb 2008
@ Finland
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#4
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Originally Posted by javispedro
nope. gprs = general packet radio sevice= 2G
Isn't GPRS 2.5G actually?
edge = enchanted data rates ... = 2.5G
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2010-07-11
, 20:25
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Posts: 1,224 |
Thanked: 1,763 times |
Joined on Jul 2007
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#5
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Originally Posted by ossipena
You should tell the GSM Association that. They seem to think that
nope. gprs = general packet radio sevice= 2G
edge = enchanted data rates ... = 2.5G
GPRS is 2,5G and EDGE is 2.75G.
http://gsmworld.com/documents/Embedd...hite-Paper.pdf
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My repository
"N900 community support for the MeeGo-Harmattan" Is the new "Mer is Fremantle for N810".
No more Nokia devices for me.
My repository
"N900 community support for the MeeGo-Harmattan" Is the new "Mer is Fremantle for N810".
No more Nokia devices for me.
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2010-07-12
, 11:56
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Posts: 139 |
Thanked: 135 times |
Joined on Jan 2010
@ Cambridgeshire, UK
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#6
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Originally Posted by ossipena
ROFL, enchanted data rates! I love it
nope. gprs = general packet radio sevice= 2G
edge = enchanted data rates ... = 2.5G
I thought that "2G" the was original slow GSM packet data at <56kbit/s. "2.5G" (or GPRS) was the original enhanced data rate of 56-115kbit/s and the first upgrade step from the original system towards "3G". This was, I thought, followed by "2.75G" or EDGE which used new and more efficient data coding and achieved rates up to 3x that of "2.5G" (up to 230-ish kbit/s)
Or do I have that wrong?
I'm wondering if it's possible to force the device down to 2G GPRS mode. If anybody knows, I'd really appreciate it.
Thanks.