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Old 01-20-05, 12:57 AM   #1 (permalink)
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cellphone signal amp sticker?

on ebay i picked up some welding tools and one came with a free item.

it was one of those stickers that you put on your cell phone and you get more signal.
well, it works well.

in my basement i had no signal and now i have 50% signal.

the package says its a signal amp.

then i thought, wonder if this will work on my axims interner signal.

anyone ever try this product on their axim?
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Old 01-20-05, 08:29 AM   #2 (permalink)
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Lol I haven't tried those and honestly I really wouldn't want to. You don't need a massive signal on an Axim unless you're using it as a cell phone, etc. And you don't know what side-effects that those stickers might have...
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Old 01-20-05, 02:30 PM   #3 (permalink)
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how do those stickers work anyways? do they work on a broad rand of frequencies too? because the 802.11b frequency and a cell phone's frequency is completely differnt..
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Old 01-20-05, 02:45 PM   #4 (permalink)
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i've seen something like this, but for batteries. Apparently when you battery is quite low, you slap on this sticker and it addes like 40-50% to your battery's charge. It was discussed in great detail on pocketpcthoughts.com...hmph...
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Old 01-20-05, 04:21 PM   #5 (permalink)
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Those stickers are a complete gimmick! There is no way it "improved" your cell phone signal, in a basement or otherwise! Those stickers are just that, stickers! I suppose you believe the other version actually does prevent cell phone radiation from entering your brain as well.

There's a reason companies give them out for free!
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Old 01-20-05, 05:00 PM   #6 (permalink)
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If the sticker has metal of the right length, it will reflect the radio waves.
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Old 01-20-05, 05:17 PM   #7 (permalink)
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Star's right... The stickers are an extremely crude quasi-variation of something called a Yagi antenna. While not a true antenna, the principle behind the stickers is that the metal content in the circuit-like traces adds an additional physical point close to the antenna for radio waves to be reflected from, increasing the chances that weaker waves are directed toward the antenna.

Ever stand in a certain part of the room and suddenly your AM or FM radio's reception gets cruddy, or cruddy reception gets better? That's because even the human body can alter the path of radio waves, bouncing them toward or away from an antenna.

It's not that the stickers are a scam, they're just extremely crude.
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Old 01-20-05, 09:58 PM   #8 (permalink)
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I have a degree in electronic design & a ham radio license. What you say about a crude Yagi is possible, but I still don't buy it.

I guess if it makes some people happy!
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Old 01-20-05, 11:00 PM   #9 (permalink)
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Those stickers do not work. I work with cell phones and that is not true. Could be severla different things that changed with things. A sticker cannot affect signal strength. Sorry :(
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Old 01-21-05, 12:59 AM   #10 (permalink)
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I never said they work as wonderfully as they claim, only that it's possible based (however loosely) on the basic properties of radio waves and how they tend to act in the presence of metals. I've seen them used with probably 30 different mobile phones, and different carriers, having worked in electronics stores and for verizon wireless. they work a very slight amount under certain conditions, but not everywhere, on every phone, at every instance. and that's why they come free with your ebay order these days.

Based solely on my own knowledge of radio waves, there's probably no chance they'd work with a signal in the gigahertz range, they're really more suited in design for a higher band analog signal though, like a 900Mhz cellular phone band.
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Old 02-10-05, 05:50 PM   #11 (permalink)
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they really work though

i had no signal at all in my basement and after i added it i got 50% signal

im telling you it really works
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