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is there any info, which operator offer the "best" reception and "sound quality" in average all around the world?
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Posted: 2005-01-21 11:30:58
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That would be difficult to say. I have heard that CDMA is better than GSM in voice clarity. Am i right? I read that in some magazine.
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Posted: 2005-01-21 11:45:05
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does coverage to do anything with the mhz aswell?
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Posted: 2005-01-21 12:30:03
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@ BobaFett:
The frequency @ which your network operates also determines the positioning/quantity of base stations to obtain the coverage objective. A basic explaination will help you understand why:
The 900MHz frequency has a longer wave length, less susceptible to absorption (especially in the stratosphere with its bggest enemy being moisture aka rain), this enables it to be propogated over longer distances thus a 900MHz base station has a larger coverage area. This also implies that few base stations are required.
The coverage radius of a 900Mhz base station is approximately 15-30km, depending on what power level (in decibels - dB) is being transmitted. Tis frequency is primarily used in rural areas.
The 1800MHz frequency has a shorter wave length, thus
more susceptible to absorption. This frequency is propogated over a shorter distance and thus many 1800MHz base stations provide coverage equivalent to a single 900MHz base station.
The coverage radius for 1800MHz is approximately 15km and is used primarily in dense urban areas like city centres.
Similarly, the 1900MHz frequency can be explained.
Any other questions class?
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Sony Ericsson - the marriage of the consumer electronics Beauty to the telecomms Beast
[ This Message was edited by: HyperiaBlue on 2005-01-21 18:38 ]
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Posted: 2005-01-21 19:36:20
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what about sat fones? what could "disturb" the reception at those fones? ( great comment again. good to have u here )
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Posted: 2005-01-21 20:04:48
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@boba: For some reasons, most satellite phones require outdoor use. Seems like building structures can be a source of interference. HyperiaBlue, a little light please.
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Posted: 2005-01-21 20:08:38
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@bobbafet: Dude, i believe satellite phone's work on TBT (tight beam transmission) or something. All gibberish to me.
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Posted: 2005-01-21 20:08:50
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Thkq @hyperia
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Posted: 2005-01-21 20:09:01
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yes, outdoor of course, but i am interested, what could cause problems at those ones...
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Posted: 2005-01-21 20:13:20
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all se's bar change nonstop, its natural
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Posted: 2005-01-21 23:32:54
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