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 3G iPhone officially launched, $199 only with 2 years AT&T contract.

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frozzbyte
post Jun 18 2008, 02:37 AM

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QUOTE(Moonflown @ Jun 17 2008, 08:39 PM)
One thing about plastic back is the improved wireless signal. So it's arguable.
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What improved wireless signal? 1st gen iphone antenna cover is also plastic la. The black bottom part, thats the antenna (wifi n cell). The aluminium back is just the casing like the old nokia titanium (correct aaaa?) phone. If 1st gen back all metal then the 2nd gen really la improve the signal quality. Correct o not?
nkymark
post Jun 18 2008, 07:54 AM

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QUOTE(nokia2003 @ Jun 17 2008, 08:50 PM)
were you referring to my post, mark?
the metal used for the iphone isnt standard metal per se. i dont know, it just feel different. the metal back casing for ipod touch is crap. thats for sure.
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Nope....I was referring to the one by MoonFlown....about the plastic one having better reception


@Frozz......yup, the antenna cover is the black plastic part.

And the metal is aluminium, not the chiplak-easy-to-scratch-metal-thingy of the Touch. If Apple really wanna increase the reception quality, then move the antenna up to the top la instead putting it at the bottom...covered by your hand while making calls tongue.gif


Cheers
nokia2003
post Jun 18 2008, 12:02 PM

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i think they are in a bit of dilemma because if they move it up, your index finger will be touching that part.



just observe the next how you hold a nokia phone and you will realise that your fingers are strategically placed, smacked on the antenna. so much so, that nokia userguides have to actually refrain you from putting them there as they will cause a worse reception and of course a higher radiation level being emitted


Added on June 18, 2008, 12:05 pmyou have to bear in mind, in the case for iphone, we actually need our index finger to support the slightly, unconventional larger phone size from toppling the other way round.

This post has been edited by nokia2003: Jun 18 2008, 12:05 PM
nkymark
post Jun 18 2008, 12:18 PM

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QUOTE(nokia2003 @ Jun 18 2008, 12:02 PM)
i think they are in a bit of dilemma because if they move it up, your index finger will be touching that part.
just observe the next how you hold a nokia phone and you will realise that your fingers are strategically placed, smacked on the antenna. so much so, that nokia userguides have to actually refrain you from putting them there as they will cause a worse reception and of course a higher radiation level being emitted


Added on June 18, 2008, 12:05 pmyou have to bear in mind, in the case for iphone, we actually need our index finger to support the slightly, unconventional larger phone size from toppling the other way round.
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Correct, but from an engineer's point of view, that is not ideal. At least IMHO fingers still not as bad as palm and I don have a Nokia phone, and I don think I'll ever buy one tongue.gif

"It's all up in the clouds" tongue.gif


Cheers

This post has been edited by nkymark: Jun 18 2008, 12:21 PM
MoNnY
post Jun 18 2008, 01:54 PM

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well, in my own usage, never had problems with reception.. so i'm fine with everything so far.
nkymark
post Jun 18 2008, 02:01 PM

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I'm not saying that the Gen 1's reception is bad. The reception is good IMO. My comments were made with respect to the discussion that the 3G version of the phone with its plastic back has better reception compared to the Gen 1 punya. icon_rolleyes.gif

Cheers
d3vilzzzz
post Jun 18 2008, 02:05 PM

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do v hv issues with the reception nw? i mean so far its more of a Maxis reception VS a Digi reception icon_idea.gif
nkymark
post Jun 18 2008, 02:25 PM

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I think reception is fine for both, it's just that some users are still experiencing the "call failed" thing on Maxis.


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frozzbyte
post Jun 18 2008, 02:33 PM

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The 'call fail' thing is unavoidable with maxis but sometimes i do experienced this with digi.
MoNnY
post Jun 18 2008, 02:35 PM

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too many users, maxis can't cope with it...

frozzbyte
post Jun 18 2008, 03:01 PM

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I think maxis more focus on its prepaid user than its postpaid ones coz last time when i was on maxis (company line), I'll get the call failed thing although my friend sitting next to me using hotlink is not.

If u are a phone company, your prepaid user is much much more than your postpaid user, who would you treat better?
nokia2003
post Jun 18 2008, 03:05 PM

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QUOTE(frozzbyte @ Jun 18 2008, 03:01 PM)
I think maxis more focus on its prepaid user than its postpaid ones coz last time when i was on maxis (company line), I'll get the call failed thing although my friend sitting next to me using hotlink is not.

If u are a phone company, your prepaid user is much much more than your postpaid user, who would you treat better?
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yup. if you observe how much a school boy/gal spends on prepaid, then you will know why
Apis_LuaLua
post Jun 18 2008, 03:05 PM

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it is so obvious lah.. postpaid user 'dipinggirkan'.


blackchides
post Jun 18 2008, 03:09 PM

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QUOTE(frozzbyte @ Jun 18 2008, 02:37 AM)
What improved wireless signal? 1st gen iphone antenna cover is also plastic la. The black bottom part, thats the antenna (wifi n cell). The aluminium back is just the casing like the old nokia titanium (correct aaaa?) phone. If 1st gen back all metal then the 2nd gen really la improve the signal quality. Correct o not?
*
Erm right and wrong. The black plastic of the 1st gen iPhone helps a lot but the aluminum body of the phone creates a Faraday cage which blocks out/in electrical fields. So in comparison to the all plastic back, the signal quality of the 1st gen iPhone will definitely be inferior, for want of a better word, compared to the 3G iPhone.

In fact, Gizmodo/Engadget writers who have played around with the new iPhone have said that voice clarity and signal reception is better relative to the 1st Gen iPhone (I think they did an on-the-spot comparison, not sure) so yeah, theory proven in a way..
frozzbyte
post Jun 18 2008, 03:43 PM

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QUOTE(blackchides @ Jun 18 2008, 03:09 PM)
Erm right and wrong. The black plastic of the 1st gen iPhone helps a lot but the aluminum body of the phone creates a Faraday cage which blocks out/in electrical fields. So in comparison to the all plastic back, the signal quality of the 1st gen iPhone will definitely be inferior, for want of a better word, compared to the 3G iPhone.

In fact, Gizmodo/Engadget writers who have played around with the new iPhone have said that voice clarity and signal reception is better relative to the 1st Gen iPhone (I think they did an on-the-spot comparison, not sure) so yeah, theory proven in a way..
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Mmmm wrong and right again. A Faraday cage effect happens if the antenna is enclosed in the aluminum cover of the phone where as the reception antenna of the iphone is on the bottom part where the black plastic casing is. Thats why only that part is plastic. Being near to an aluminum wont generate the Faraday effect. I'm sure the engineers at apple also figure out about the faraday cage effect. smile.gif

The new 3G phone supposedly have a better reception not because it have a full plastic back cover but MAYBE an improve internal antenna compared with the previous iphone. They wont be using the same antenna in a new phone right? BTW .. 1 or 2 test by Gizmodo/Engadget is not a measuring stick to a prove a theory. To prove this, the phone must be use widely and confirm by users. Maybe that time when they test, the signal was strong there. whistling.gif

As a conclusion ... if the reception quality is better (not yet proven), then it might be because they use an improved antenna compared with the old one and not because of the plastic back cover. We won't know until we can see the internal part of the new phone (looking forward to dismantle one ... if have the chance). icon_rolleyes.gif
d3vilzzzz
post Jun 18 2008, 04:15 PM

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no wonder my maxis so fa no prbs(touch wood)..

well..jz hv to wait and see hv the new model will fair in terms of its reception..
tayhaithian
post Jun 18 2008, 06:48 PM

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wow from iphone to maxis ..
antnine
post Jun 18 2008, 07:35 PM

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Since I got screwed for posting in a so called "unofficial" iPhone 3G forum and this is so call the "official" thread...so I'm going to say it again...

One word to it... "DISAPPOINTMENT"

P/S: I'm an iPhone user.

ff8ong
post Jun 18 2008, 07:38 PM

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QUOTE(antnine @ Jun 18 2008, 07:35 PM)
Since I got screwed for posting in a so called "unofficial" iPhone 3G forum and this is so call the "official" thread...so I'm going to say it again...

One word to it... "DISAPPOINTMENT"

P/S: I'm an iPhone user.
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That for sure already,this time apple running diff way is to sell more iphone in this year

And the Iphone 3G Price USD 199 will limit the improvement for the new iphone.

(Less $$$=Less Function) smile.gif

nkymark
post Jun 18 2008, 07:56 PM

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QUOTE(frozzbyte @ Jun 18 2008, 03:43 PM)
Mmmm wrong and right again. A Faraday cage effect happens if the antenna is enclosed in the aluminum cover of the phone where as the reception antenna of the iphone is on the bottom part where the black plastic casing is. Thats why only that part is plastic. Being near to an aluminum wont generate the Faraday effect. I'm sure the engineers at apple also figure out about the faraday cage effect.  smile.gif

The new 3G phone supposedly have a better reception not because it have a full plastic back cover but MAYBE an improve internal antenna compared with the previous iphone. They wont be using the same antenna in a new phone right? BTW .. 1 or 2 test by Gizmodo/Engadget is not a measuring stick to a prove a theory. To prove this, the phone must be use widely and confirm by users. Maybe that time when they test, the signal was strong there.  whistling.gif

As a conclusion ... if the reception quality is better (not yet proven), then it might  be because they use an improved antenna compared with the old one and not because of the plastic back cover. We won't know until we can see the internal part of the new phone (looking forward to dismantle one ... if have the chance).  icon_rolleyes.gif
*
I couldnt agree more. Different network tech - from GSM to 3G, it might need a different antenna to cope with that.


Cheers

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