RayW
Premium
join:2001-09-01
Layton, UT
clubs:
 ·XMission
| Back around 1995
I was seeing a lady who worked for SWBTS as a sales rep. At that time she was told that they were to try and steer people away from land lines and toward cell phones. It was desired that the only land lines that would be serviced would be those mandated by law for the 'poor' people who were on welfare. But that was before DSL hit the street.
Personally, after 30 years working in the RF field, I have a hard time wanting to put a cell phone up to my head, especially with the operating frequency of 2450 MHz. Other than that though, the idea of cell phones is a good idea since it could be made more national in scope unlike a land line with the 'fees' charged. But I wish I could get one that would have 100 minutes for $10 instead of 1000 minutes + unlimited off prime time for $50 and worked up in the 5.8 gig band.
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bklynite
Premium
join:2001-03-18
Brooklyn, NY
clubs:
| said by RayW  :Personally, after 30 years working in the RF field, I have a hard time wanting to put a cell phone up to my head, especially with the operating frequency of 2450 MHz. Other than that though, the idea of cell phones is a good idea since it could be made more national in scope unlike a land line with the 'fees' charged. But I wish I could get one that would have 100 minutes for $10 instead of 1000 minutes + unlimited off prime time for $50 and worked up in the 5.8 gig band. As far as I know, cell phones run in the 750-850MHz and 1900MHz bands. 2.4Ghz I believe is unlicensed band which is why home networking and cordless home phones use it. If cell phones ran in that range, they'd be interfered with by the aforementioned home products, as well as microwaves. They would also have to transmit at exponentially higher power to get the same range. 5.8GHz? You must be kidding. Your range would be dreaful.
On a separate, but related note: I miss 900MHz cordless phones. I could use a cheap one down the block from my house...
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bmn
? ? ?
Premium,ExMod 2003-06
join:2001-03-15
hiatus
| said by bklynite : As far as I know, cell phones run in the 750-850MHz and 1900MHz bands. In the US, its 1900Mhz and 850Mhz...
Most other places, its either 900Mhz or 1800Mhz, but a few use the same frequencies as America.
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Kearnstd
Elf Wizard
Premium
join:2002-01-22
Mullica Hill, NJ
1 edit | reply to RayW
the reason cells are so popular in asia and europe is i hear they have huge waiting lists for a landline turn on, where as here in the US you can get a number and be up and running pretty fast even with copper pair. the construction of a cell network is also cheaper, one tower probally can handle more calls then your average copper bundle and adding a new line to an account doesnt depend on having available copper, heck some cell phones nowdays can have two lines without needing another phone. |
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