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Cellular Phone Forum / General / GSM / March 2004AT&T TDMA on Quad-band phone?
Looking for a new phone: I am planning to travel in Europe soon, so it seems desirable to get a quad band phone that will work in Europe and on AT&T's (their current TDMA service is satisfactory for me) US GSM network. BUT, I have heard the complaints of poor GSM coverage. So, are there quad-band phones that will also auto switch to TDMA if GSM is not available? Rick > Looking for a new phone: I am planning to travel in Europe soon, so it seems > desirable to get a quad band phone that will work in Europe and on AT&T's [quoted text clipped - 3 lines] > So, are there quad-band phones that will also auto switch to TDMA if GSM is > not available? No, no such phone. John C. >So, are there quad-band phones that will also auto switch to TDMA if GSM is >not available? No. Such a phone does not exist. - - - - - - - - - - - - - - - - - - - - - - - - - - remove NONO from .NONOcom to reply There is such a phone. I have the Siemens S 46. It is a quad band phone for TDMA 800 & 1900 in the US. GSM 1900 in the US and GSM 900 in Europe and much of the rest of the world. The phone also lets you read Outlook Contacts in Calender to your phone. Most of the time in the US you will be using GSM to extend your battery life. When no GSM is available, the phone searches for TDMA. Jerry Medlin Thanks, Jerry! Which carrier do you use? AT&T? Rick > There is such a phone. I have the Siemens S 46. It is a quad band phone > for TDMA 800 & 1900 in the US. GSM 1900 in the US and GSM 900 in Europe and [quoted text clipped - 4 lines] > > Jerry Medlin > Thanks, Jerry! > Which carrier do you use? AT&T? > > Rick > "Jerry Medlin" <medlin@medlin.com> wrote in message Yep. AT&T. Ironically, I switched from Cingular to AT&T two days before Cingular bought AT&T. I was told by the salesman that most of the GSM equipment is mounted on the old TDMA towers, but lower down. So, in many places, especially around the mountains here in California, you get better reception with TDMA than with GSM. The Siemens S-46 has a short external antenna, so I also get better GSM reception than I did with my Nokia. > I was told by the salesman that most of the GSM equipment is mounted on the > old TDMA towers, but lower down. So, in many places, especially around the > mountains here in California, you get better reception with TDMA than with > GSM. I wonder why AT&T didn't just use the existing equipment for both their TDMA, AMPS and GSM services. They do this in other areas don't they? - James >> I was told by the salesman >I wonder why AT&T didn't just use the existing equipment for both their >TDMA, AMPS and GSM services. They do this in other areas don't they? The "equipment" is different for GSM and TDMA. They have shared the antennas in many instances however. -- John S. e-mail responses to - john at kiana dot net I was told the GSM and TDMA antennas were separated to reduce interference. > >> I was told by the salesman > [quoted text clipped - 7 lines] > John S. > e-mail responses to - john at kiana dot net > I was told the GSM and TDMA antennas were separated to reduce interference. The panel antenna enclosures I've seen on Cingular towers actually have two antennas internally - one for AMPS/TDMA, the other for GSM. There are two hardline cables from each, one for AMPS/TDMA, the other for GSM. The tower crews were pretty busy preparing for the GSM overlay, and I'm told they're not yet finished.  Signaturejer email reply - I am not a 'ten' ICQ = 35253273 "All that we do is touched with ocean, yet we remain on the shore of what we know." -- Richard Wilbur >I was told the GSM and TDMA antennas were separated to reduce interference. Some are different and some are shared. Depends on the installation, the lease on the tower/building etc....... Interference isn't a problem. -- John S. e-mail responses to - john at kiana dot net > There is such a phone. I have the Siemens S 46. It is a quad band phone > for TDMA 800 & 1900 in the US. GSM 1900 in the US and GSM 900 in Europe and > much of the rest of the world. No GSM 850 for AT&T in the US? Out here, that'd be as dead-in-the-water as my 3650. SignatureDan Birchall, Hilo HI - http://dan.birchalls.net/ - images, words, technology Yes. No GSM 850 for the US and no GSM 1800 for Europe. But, so far, the Siemens quad band seems to work just about everywhere. I assume the phone will use TDMA in those place where GSM is only 850. Jerry > > There is such a phone. I have the Siemens S 46. It is a quad band phone > > for TDMA 800 & 1900 in the US. GSM 1900 in the US and GSM 900 in Europe and > > much of the rest of the world. > > No GSM 850 for AT&T in the US? Out here, that'd be as dead-in-the-water as > my 3650. >No GSM 850 for AT&T in the US? There are thousands of sites all over the country that have 800MHz GSM for AT&T WS. EVERY cellular market that they own is currently having 800MHz GSM installed. The 800 installations have been going on since the availability of phones that support that band. -- John S. e-mail responses to - john at kiana dot net > >No GSM 850 for AT&T in the US? > > There are thousands of sites all over the country that have 800MHz GSM > for AT&T WS. EVERY cellular market that they own is currently having > 800MHz GSM installed. The 800 installations have been going on since > the availability of phones that support that band. Erm... I *know* that. What I was saying was that the _phone_ in question didn't look like it supported GSM in the 850MHz (aka 800MHz for those who consider it all to be the same) frequency band. :) SignatureDan Birchall, Hilo HI - http://dan.birchalls.net/ - images, words, technology > There is such a phone. I have the Siemens S 46. It is a quad band phone > for TDMA 800 & 1900 in the US. GSM 1900 in the US and GSM 900 in Europe and > much of the rest of the world. The phone also lets you read Outlook > Contacts in Calender to your phone. Most of the time in the US you will be > using GSM to extend your battery life. When no GSM is available, the phone > searches for TDMA. 800TDMA/900GSM/1900tdmaGSM is just three bands, and only two of them operate GSM. There is no quadband (800/900/1800/1900 MHz) GSM phone with TDMA, today. (I don't expect one, either.) John C. I own one John. The Siemens S-46. Perhaps you might consider the fact that you are wrong? Jerry > > There is such a phone. I have the Siemens S 46. It is a quad band phone > > for TDMA 800 & 1900 in the US. GSM 1900 in the US and GSM 900 in Europe [quoted text clipped - 13 lines] > > John C. Here are the specs for the Siemens S-46. John, I think my last reply was a bit snippy. Sorry. Jerry http://www.my-siemens.com/MySiemens/CDA/Index/1,1652,US_en_0_product%253AMW%252F HD%252FHD%252FS46%252Ftech%252F,00.html I'm having trouble posting a usable link. The S-46 doesn't show up in Siemens list of phones, so it may have been discontinued. I can get to the S-46 web page, but a posted link doesn't work. Really. I have the phone, honest. Does this work? http://www.my-siemens.com/MySiemens/CDA/Index/1,1652,US_en_0_product%253AMW%252F HD%252FHD%252FS46%252Fdesc,00.html Sorry, that doesn't work either. Anyway here's what the specs list under "frequency": Dual band TDMA 800/1900 MHz Dual band GSM 900/1900MHz > Sorry, that doesn't work either. Anyway here's what the specs list under > "frequency": > > Dual band TDMA 800/1900 MHz Dual band GSM 900/1900MHz 800/900/1900 MHz, tri-band. I will allow you quad-mode. Just doesn't have that 1800 MHz. John C. >I'm having trouble posting a usable link. The S-46 doesn't show up in >Siemens list of phones, Go to http://www.phonescoop.com and look it up. He usually also has a link to the manufacturers web page for the particular phone. -- John S. e-mail responses to - john at kiana dot net >I'm having trouble posting a usable link. The S-46 doesn't show up in >Siemens list of phones, so it may have been discontinued. I can get to the >S-46 web page, but a posted link doesn't work. Really. I have the phone, >honest. Does this work? >http://www.my-siemens.com/MySiemens/CDA/Index/1,1652,US_en_0_product%253AMW%252F HD%252FHD%252FS46%252Fdesc,00.html http://www.phonescoop.com/phones/phone.php?p=84 - - - - - - - - - - - - - - - - - - - - - - - - - - remove NONO from .NONOcom to reply |
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