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Re: EvDO and Sprint



On Mar 15, 2007, at 4:18 PM, Dan Shoop wrote:

I use Sprint 1xEVDO via Bluetooth on Treo 700p occasionally. It works well. As for drivers, I'd always just use the Apple driver.

In your case though you're using the Bluetooth driver, and we're talking the actual card drivers.

I'm aware of that (I wrote one of the howtos for using Bluetooth DUN on Treos with Mac OS X). I didn't mean to say I was using the WWAN card driver; just that I'm a Sprint EVDO user. Note that I said "*I'd* always just use the Apple driver", making a recommendation; not "*I* always just use the Apple driver". I should have separated that last sentence from my first statement about being a Sprint EVDO user.


You could always try the 3rd party driver if you're curious, but I doubt the speed will change.

It should, but it should be minor.

Unless there is a bug or issue with one of the drivers, for the purposes of practical conversation, the speed will not change. Yes, the routines in the driver that handle moving bits around differently may mean that one is ever-so-unnoticably technically "faster" than the other, but for practical purposes, any difference, as you said, will be extremely minor, such that it's likely not even noticeable. For the purposes of this conversation, the poster was wondering if anything would *substantively* increase the performance. The answer is no (unless there are bugs or issues with one of the drivers).


Also, if you're getting 1.3Mbps download, you're on 1xEVDO. 1xRTT (the non-EVDO data network) is 144kbps max.

IIRC Sprint isn't really 1xRTT. I routinely get speeds of about a meg down off my Treo 650 which is not EvDO.

Sprint's nationwide non-EVDO digital network is 1xRTT.

<http://en.wikipedia.org/wiki/Sprint_Nextel#Sprint.27s_Vision. 2FPower_Vision_network>
<http://www.google.com/search?q=sprint+1xrtt>


I have no idea how you are getting a meg down on a Treo 650, but Sprint's non-EVDO network is definitely 1xRTT. My wife and I both had the 650 before the 700p and I *never* got more than around 140kbps downstream, in multiple cities (Madison, Chicago, San Francisco) and about two years of use, both via Bluetooth and USB.

See here (one of many references):

<http://www.infosyncworld.com/news/n/5975.html>

[...] Sprint, which also carries the Treo 650, offers a version compatible with the slower CDMA2000 1xRTT standard, which offers a maximum transfer rate of 144 Kbps.

- Dave

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References: 
 >EvDO and Sprint (From: Don Judd <email@hidden>)
 >Re: EvDO and Sprint (From: Dave Schroeder <email@hidden>)
 >Re: EvDO and Sprint (From: Dan Shoop <email@hidden>)



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