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-   -   Cingular GSM Frequency (https://xoutpost.com/off-topic/lounge/8533-cingular-gsm-frequency.html)

vinuneuro 12-22-2005 09:33 PM

Quote:

Originally Posted by UCrewX5
See this post on HowardForums for more info on this topic - http://www.howardforums.com/showthread.php?t=660124

Jeff, that was an excellent link! Thanks.

vinuneuro 12-22-2005 09:36 PM

Quote:

Originally Posted by Quicksilver
Heres a phone that is compatible in GSM networks in most North American, European, and Asian GSM markets, provided the phone unlocked.http://www.mobiledia.com/reviews/mot...-l7/page2.html

This is a phone that fall's into my category of unacceptable phones. They advertise it as being really slim, which it is, but this phone is soo much longer and wider than anything phone that I'm considering.

Right now, I think I'm going to end up with the Nokia 6230 , for the lack of a better option. There are some nice Sony Ericsson's out there, but I can't justify spending more than $150-170 since these prices drop so quickly. At the end of the day, I need to make/receive calls and not many companies do it better than Nokia.

Quicksilver 12-22-2005 11:00 PM

Quote:

Originally Posted by paomien
Really? my tri-band 900/1800/1900 works fine with cingular .... maybe I'm missing out on some reception.. :confused: :dunno:

Nope your not. It depends on where your located that decides which band you will access. If you live in Northern California it's 1900. If you arrive somewhere else your GSM phone will chose another band.

vinuneuro 12-23-2005 12:15 AM

Quote:

Originally Posted by Quicksilver
Nope your not. It depends on where your located that decides which band you will access. If you live in Northern California it's 1900. If you arrive somewhere else your GSM phone will chose another band.

How do you find out what part of the country uses what?

UCrewX5 12-23-2005 12:17 AM

Quote:

Originally Posted by vinuneuro
How do you find out what part of the country uses what?

Go to http://www.wirelessadvisor.com./ and enter a zip code.

UCrewX5 12-23-2005 12:19 AM

Quote:

Originally Posted by Quicksilver
Nope your not. It depends on where your located that decides which band you will access. If you live in Northern California it's 1900. If you arrive somewhere else your GSM phone will chose another band.

If you have a phone that doesn't support 850Mhz then how is going to choose another band? :dunno:

lanbrown 12-23-2005 01:32 AM

The 850 MHz band is preferred as it has better signal penetration as compared to the 1900 MHz frequencies. T-Mobile is primarily 1900 MHz; Cingular is primarily 850MHz. AT&T Wireless had some of both bands. Cingular had roaming agreements with both companies, since Cingular bought AT&T Wireless; they only have a roaming agreement with T-Mobile now. Having a phone that supports 850 MHz will typically allow better coverage. Some rural areas do not have any 1900 MHz coverage, so your phone wouldn’t work there.

If I were you, I would wait a few more months to get a new phone. Nokia will have some quad bands phones coming out. The biggest factor in coverage is the phone.

As for how it’s going to choose another band. In the use the two bands are Cellular (800 MHz) and PCS (1900 MHz). A control channel is used; if you phone doesn’t see the control channel it will try another band. In the case of a Tri-band phone from Europe, it only has one band it could possibly see a control channel on. If it’s a tri-band for the North American continent, it can access two potential bands. It will try the lower frequency first and then the higher ones.

Quicksilver 12-23-2005 01:42 AM

Quote:

Originally Posted by lanbrown
The 850 MHz band is preferred as it has better signal penetration as compared to the 1900 MHz frequencies. T-Mobile is primarily 1900 MHz; Cingular is primarily 850MHz. AT&T Wireless had some of both bands. Cingular had roaming agreements with both companies, since Cingular bought AT&T Wireless; they only have a roaming agreement with T-Mobile now. Having a phone that supports 850 MHz will typically allow better coverage. Some rural areas do not have any 1900 MHz coverage, so your phone wouldn’t work there.

If I were you, I would wait a few more months to get a new phone. Nokia will have some quad bands phones coming out. The biggest factor in coverage is the phone.

As for how it’s going to choose another band. In the use the two bands are Cellular (800 MHz) and PCS (1900 MHz). A control channel is used; if you phone doesn’t see the control channel it will try another band. In the case of a Tri-band phone from Europe, it only has one band it could possibly see a control channel on. If it’s a tri-band for the North American continent, it can access two potential bands. It will try the lower frequency first and then the higher ones.

Thanks. you beat me to it. http://electronics.howstuffworks.com/cell-phone12.htm

China Man 12-23-2005 12:43 PM

Quote:

Originally Posted by UCrewX5
See this post on HowardForums for more info on this topic - http://www.howardforums.com/showthread.php?t=660124


thanks jeff! I totally forgot about howardforums ... I love browsing that site! :thumbup: :D


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