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Cellular Phone Forum / General / GSM / January 2004quad mode vs tri-mode
how much of an advantage is it to have a quad mode GSM phone over a trimode? >how much of an advantage is it to have a quad mode GSM phone over a trimode? None probably. Now a quadband versus as a Triband maybe. On GAIT phones, you usually have two modes, and AT&T Used to call their their phones tri mode (IS-95, AMPS, D-AMPS) (IS-95 is very close to D-AMPS, not quite the same). Quad mode GSM covers all the widely used modes: 850/900/1800/1900 so it will work almost internationally. Tri mode GSM come in 2 varieties: specially for North America is 850/1800/1900 as 850 and 1900 are widely used and the original Tri mode GSM 900/1800/1900 which will work in Asia, Europe, and North America 1900 only. > how much of an advantage is it to have a quad mode GSM phone over a trimode? Who makes a quad mode GSM phone? Mike Schumann > Quad mode GSM covers all the widely used modes: 850/900/1800/1900 so it will > work almost internationally. [quoted text clipped - 5 lines] > > how much of an advantage is it to have a quad mode GSM phone over a > trimode? "Mike Schumann" <mike-nospam@traditions-nospam.com> wrote in news:3fb7cca8 $0$1100$6536d21b@news.bitstream.net: > Who makes a quad mode GSM phone? > > Mike Schumann Motorola V600 Handsprin Treo 600 2 of the ones I am aware of quad band. So far: Motorola V300 << this I'm not sure about. It says quad on the log, but when checking the network it shows triband only Motorola V500 << so far it's vaporware Motorola V600 << so far it's vaporware Handspring Treo 600 << this is out > Who makes a quad mode GSM phone? > [quoted text clipped - 12 lines] > > > how much of an advantage is it to have a quad mode GSM phone over a > > trimode? Add NEC 515 to the list, currently available only from AT&T. Also, NEC 525 has been recently announced.  Signature\/ L /\ D So far: Motorola V300 << this I'm not sure about. It says quad on the log, but when checking the network it shows triband only Motorola V500 << so far it's vaporware Motorola V600 << so far it's vaporware Handspring Treo 600 << this is out > Who makes a quad mode GSM phone? > [quoted text clipped - 12 lines] > > > how much of an advantage is it to have a quad mode GSM phone over a > > trimode? >Who makes a quad mode GSM phone? No one makes a quad "mode" GSM phone. Several different manufacturers, NEC, Motorola and Handspring make GSM quad *band* phones. >Mike Schumann > [quoted text clipped - 10 lines] >> > how much of an advantage is it to have a quad mode GSM phone over a >> trimode? - - - - - - - - - - - - - - - - - - - - - - - - - - To send an email reply send to GSMthemobilestandard (@) yahoo.com I have an NEC 525. I believe it is quad band. > Who makes a quad mode GSM phone? > [quoted text clipped - 12 lines] > > > how much of an advantage is it to have a quad mode GSM phone over a > > trimode? >Quad mode GSM covers all the widely used modes: 850/900/1800/1900 so it will >work almost internationally. > >Tri mode GSM come in 2 varieties: specially for North America is >850/1800/1900 as 850 and 1900 are widely used and the original Tri mode GSM >900/1800/1900 which will work in Asia, Europe, and North America 1900 only. There is no "quad" mode GSM since GSM is the mode. Tri-band is three different bands. - - - - - - - - - - - - - - - - - - - - - - - - - - To send an email reply send to GSMthemobilestandard (@) yahoo.com > how much of an advantage is it to have a quad mode GSM phone over a > trimode? I think you have a lot more flexibility with two phones. >how much of an advantage is it to have a quad mode GSM phone over a trimode? The question should be which is more important to your needs. You'll only need what works for you in your situation. A phone can be capable ofr 10 bands, but it's overkill to the max if you only require coverage in any certain frequency. And BTW a "quad" mode phone would be something like CDMA, TDMA, GSM and AMPS. Different frequency e.g. 850, 900 or 1900 is not the "mode." Mode is the technology used. - - - - - - - - - - - - - - - - - - - - - - - - - - To send an email reply send to GSMthemobilestandard (@) yahoo.com |
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