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> 3G / WiFi antenna in the tablet | Talk, choose, do it yourself
ctich
Message#1
30.09.14, 16:36
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3G / WiFi antenna in the tablet
3G antenna | Antenna for WI-FI | Antenna for LTE
In this topic, we discuss / ask all questions regarding 3G / WiFi antennas, their replacement, amplification, modification, and so on.



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Post has been editedctich - 30.09.14, 16:46
hardstep
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14.12.11, 01:25
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I’ll say right away that I don’t understand the wifi antennas at all, so the questions will be Dummies.
This antenna is installed on the plane:
Attached Image

1. Is it worth it to change to one or two of those below?
ebay has a bunch of notebook antennas (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
2. What is the difference between these antennas? which is better?
3. Why are most antennas sold in pairs?
4. What to choose for replacement in the tablet?
5. Chinesesolderednew antenna nearby without removing the standard one. this is normal? nothing burns?
6. Is it possible to solder 2 antennas in parallel from those above? nothing burns? will sense from this?
7. Will it affect the signal reception / transmission method of laying the cable?
So
Attached Image

or so
Attached Image

8. What other nuances are there with such an antenna replacement?

Post has been editedctich - 30.09.14, 16:34


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Nemezis-87
Message#3
14.12.11, 03:33
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hardstep
wire does not affect. There are 2.4 MHz antennas, and there are 5 MHz. Those that are in the photo with a large radius of action.
hardstep
Message#4
14.12.11, 14:37
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Nemezis-87,
8. i.e. can I take any?
9. Are there any antennas only at 2.4 GHz? would they rather catch their frequency than those with a large range?


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Nemezis-87
Message#5
14.12.11, 15:31
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8. i.e. can I take any?

In principle they are the same. But the larger the antenna, or their number, the better the signal. Often put 2 because one catches 180 degrees and the second. Thus coverage 360.
2.4 antennas are bigger and more popular. Wash in the tablet and this is worth. On Habré there is a good article, like a man, he put a PC antenna into a netbook. I calculated the signal strength and so on. I advise you to look. In the DIY section.
hardstep
Message#6
15.12.11, 12:01
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rummaged all DIY on Habré. I did not find anything for such small antennas.


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Nemezis-87
Message#7
15.12.11, 13:40
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hardstep
There it is recalculated from 802.11 to 3G. I think you emphasize the right.

And also read this: this. It clearly explains how to get a golden middle place. Do not zatyklytes on the tablet. First, understand the theory, and then you can even do something with your own hands. To animate action. The man rolled a copper foil under the trellis and thereby raised the signal: D
hardstep
Message#8
17.12.11, 23:14
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theory is, of course, great. but with regard to the practice of sabzhevoy compact antennas, I have not yet found anything necessary. the internet is full of information on external (relative to the device case), but on internal - not enough.

Post has been editedhardstep - 17.12.11, 23:15


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hardstep
Message#9
18.12.11, 18:31
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10. Is it possible to make 3 antennas? Nothing burns in the device? Does this make sense?
the meaning is as follows. if the notebook antennas from item 1 are working at 180 degrees, then solder in parallel 2 pieces and arrange them so that they cover 360 degrees. Additional antennas to solder to where the Chinese solder, and leave the standard one just in case.


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polzovatel '
Message#10
18.12.11, 19:08
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Two antennas soldered in a heap will not give you anything, and even three.
You can (read as necessary) put onetyco.
Or search for an antenna not needed from the router access point, etc. peel it and solder instead of yours.
And about the laying of the cable just no matter how you lay it, the length is important, the smaller the better
They sell in pairs because they work in N mode, but there are two outputs for two antennas
And about the antennas readheresmart people live there.
Regarding the standard antenna must vypayat.

Post has been editedpolzovatel ' - 18.12.11, 19:08
hardstep
Message#11
18.12.11, 19:57
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polzovatelґ @ 12/18/2011, 20:08*
Two antennas soldered in a heap will not give you anything, and even three.

11. nothing good or nothing bad?
a) small staff + on additional contacts (not sure if they are parallel) bought by tyco
b) small regular + on additional contacts in parallel 2 purchased tyco antennas
c) instead of the small standard parallel 2 purchased tyco antennas

polzovatelґ @ 12/18/2011, 20:08*
You can (read as needed) put a single tyco.

12. I ordered a couple of days agotyco 05342. Is it different from the Tyco 05495 ​​you specified?

polzovatelґ @ 12/18/2011, 20:08*
They sell in pairs because they work in N mode, but there are two outputs for two antennas

13. This tablet claims support for n. it turns out that having soldered the purchased antenna instead of the shallow one, I will lose n?

polzovatelґ @ 12/18/2011, 20:08*
Regarding the standard antenna must vypayat.

14. Is it to improve the reception quality or not to harm the equipment with a bunch of antennas?

Post has been editedhardstep - 18.12.11, 22:56


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Message#12
19.12.11, 14:36
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Two antennas in a heap soldered only become worse, in order to solder the antennas together, they need to be connected through a matching device.

12. A couple of days ago I ordered such a tyco 05342. Does it differ from the Tyco 05495 ​​you specified?

They are the same, the difference is that the seller wrote.

N mode you do not lose, everything will work for N.
and the built-in need to be removed and to improve the work, and in order not to harm.
agator
Message#13
30.08.12, 08:37
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Antenna eventually did?
It became better?

Details are needed, I also have a weak antenna on icou7 apparently. It catches badly even near the router.
Ibuki
Message#14
01.09.12, 08:06
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Do this on fiberglass, shaded square of copper foil or tin soldered

Attached files

Attached file200912720594820598.pdf(94.93 KB)
lehamozg
Message#15
11.12.12, 20:40
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Antennas, antennas, I made it easier: foil, tape, soldering iron
Attached Image
zhu4er
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04.01.13, 11:59
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Lehamozg @ 11.12.2012, 19:40*
foil, scotch, soldering iron

How did you calculate it? Or do not care? And if the cover is aluminum?
maksimus_66
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24.03.13, 18:41
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I did not ... satisfied with the result.

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Post has been editedmaksimus_66 - 24.03.13, 18:41
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Message#18
17.05.13, 21:03
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An antenna from another tablet appeared. Should I put the second one? Will it affect the reception quality?
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18.05.13, 12:37
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Two to nothing. The main thing is to successfully place it. Away from the board and as close as possible to the edge of the case.


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31.05.14, 18:21
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29.08.14, 21:37
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All good.

There is a simple tablet navigator GlobusGPS GL-700 Android. The problem is that 3G reception is mildly so-so. Where the reception on the phone is quite normal, it generally has only 2G without options (I tried all of our three main operators). I wanted to somehow strengthen its antenna, but only so that everything was inside, without any external structures.
Does anyone have experience of such modifications, or at least theoretical knowledge?
I will be glad to good advice

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