Similar to iPhone 4, the wifi bar drops when I grab lower left corner in portrait mode. It doesn't seem to drop the connection completly but the bar goes down from 5 to 1..
Does anyone have this issue or could it be specific to my unit? Ready to swap if so
Sent from my GT-P3113 using Tapatalk 2
Crap! You are right! Happens on mine and on my buddy's tab.
Sent from my GT-P3113
Where is the antenna in this image?
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It is on the same side with sd card slot. Assuming that wifi signal goes down by grabing where the serial number sticker is in the picture. If it is a device specific issue I will return mine and swap it.
Pls share your story to figure if it is a design issue that all sgt2 7 have this flaw.
Sent from my GT-P3113 using Tapatalk 2
Correction. It is bottom left corner in the picture above. In the picture the main camera is on the top right.
Sent from my GT-P3113 using Tapatalk 2
happening on my tab also.
I am going to swap it for a new one. I will post if the death grip issue exists.
Sent from my GT-P3113 using Tapatalk 2
Get the app "wifi analyzer" if I turn my tab upside down it sees all my neighbors networks not just barely picking up my own...
Sent from my GT-P3113 using xda premium
Thanks for the suggestion. w/o death grip: -40dBm. with death grip -70dBm.
This confirms it and the signal drop occurs in a couple of seconds.
Sent from my GT-P3113 using Tapatalk 2
My tab has *EXCELLENT* wifi reception... when I hold it in portrait - upside down.
Only slightly less better in landscape either right side up or upside down. Seriously. Better even than my Droid X.
They had to put the antenna(s) somewhere. Leave it to an engineer to pick the worse location.
wellersl said:
My tab has *EXCELLENT* wifi reception... when I hold it in portrait - upside down.
Only slightly less better in landscape either right side up or upside down. Seriously. Better even than my Droid X.
They had to put the antenna(s) somewhere. Leave it to an engineer to pick the worse location.
Click to expand...
Click to collapse
Thanks and it justifies the swap to new one. I am actually glad to hear that it is not an universal issue.
Sent from my GT-P3113 using Tapatalk 2
The signal drops if I hold it along the lower left side in portrait, but I don't loose connectivity. While they could have put it somewhere else, the best place would be where the power and volume buttons are, but the buttons probably prevented that. If they put it anywhere else, there would be an issue with poor location when being held, or loosing signal while being held.
Swapped with new unit and the problem does not occur at the same level. The signal strength does fluctuate but within a smaller range than the previous one.
Sent from my GT-P3113 using Tapatalk 2
the5thtech said:
Swapped with new unit and the problem does not occur at the same level. The signal strength does fluctuate but within a smaller range than the previous one.
Sent from my GT-P3113 using Tapatalk 2
Click to expand...
Click to collapse
Good to know. Droping almost all signal is crazy... Mine drops one line; that is to be expected at some point.
Sent from my GT-P3113 using XDA
My tab also suffers from this death grip problem
Connection strength drops from -52 to -72 when I hold it the bad way.
Couldn't they better isolate the antenna ?
Otherwise it works perfecly fine.
dkoren said:
Couldn't they better isolate the antenna ?
Click to expand...
Click to collapse
They could. Right up to the point where it doesn't work at all.
RF layout and design is a fickle thing, where everything becomes a series of trade-offs. Personally, I'm amazed that works as well as it does.
For a living, I do PCB layout and manage/maintain an ECAD library. I recently put a part in the library - WiFI/Blutooth antenna chip. It's a tiny, really tiny thing with the inputs on opposite ends. At the time, I notice the datasheet said both inputs were GROUNDED. (?!?) I brought it up to the tech that submitted it - who called the manufacturer and we determined it was not a mistake. I did the layout, the boards were fabricated and assembled, and it works perfectly. It's just a mystery of modern RF technology.
I've spent some time with Samsung support. This is what they had to say:
Visitor: It sounds to be a hardware issue at least in my opinion... something with the antenna placement, bad isolation or something...
Samsung: Thank you for holding.
Samsung: Thank you for bringing the issue to our notice.
Samsung: I will make sure that the concerned department hear regarding this issue.
Since everyone sees this as a huge problem, where do you want to put the antennae that it wouldn't see a drop in signal during use? Put it at the top left, and it's going to be on the very bottom during landscape use and likely see issues. Put it on the top and you loose signal during landscape use, plus you have to deal with the headphone jack. Put it on the bottom and you need to move the USB connection and speakers, and you would deal with signal loss during landscape use. Put it on the bottom right, and you loose service the same as you do now. Put it on the top right, and you have to deal with the power/volume buttons and the IR blaster. So where does everyone want to put the wifi antennae then? A dongle that plugs into the device?
Be a left handed person
At least, top left side is less touched than other place unless move the power button and put WiFi there...
Anyways the intention of OP was to figure out if it is a design issue or a flawed device case. At last we know what it is and have some piece in our mind by admitting it as it is.
Knowing that Kindle fire has a similar form factor and use scenarios, I wonder if Kindle fire also shows the same death grip case.
Sent from my Lumia 900 using Board Express
If it were an issue with the case, you wouldn't see any change in signal, or you would have terrible signal all the time. It could be considered a design flaw but it is likely a design compromise. It could also be that they tried to put the wifi antennae elsewhere, but found that it had the best performance in the current location.
Related
Good Evening,
After taking the 4G apart several times I decided I would take pictures to highlight the few differences. Some noticeable differences:
1) antenna placement on the board, matching contact placement different on the back housing underside
2) the connector for the headset is different and the ribbon is labeled T959V (model # for the 4G)
3) less memory which can be seen thru the software
4) the GPS still sucks and does not work on this one
5) maybe I received a defective unit but there is an overheating issue. the 4G uses 200ma more than the vibrant but maybe the phone or the charger is defective as it keeps overheating and with time charging seems to be more of an issue/concern. software confirms this with error message.
Enjoy the pics.
Software Differences
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Overheating Error Software Message
Vibrant Memory
4G memory
4G on the left & Vibrant on the Right
Vibrant with a decapitated GPS Antenna Connector - failed GPS Fix
4G Antenna Shot
Vibrant Back Housing Underside
4G Back Housing Underside
Headset Connector Pins Difference - Vibrant on top, 4G on bottom
Thanks and I hope this helps satisfy some curiosity. In my opinion, from owning both of them, not worth the upgrade at all. The 4G is going back to T-Mo.
Wow Samsung.. a new model and you STILL can't get the GPS right? This is absurd
Pretty neat to see them both....
r34p3rex said:
Wow Samsung.. a new model and you STILL can't get the GPS right? This is absurd
Click to expand...
Click to collapse
my gps works great... was showing 11ft accuracy on gpstest tonight.
Can you confirm that the camera has the same plug connector as the vibrant ?
oka1 said:
Can you confirm that the camera has the same plug connector as the vibrant ?
Click to expand...
Click to collapse
Yes - confirmed - camera has the same plug connector. I swapped various parts back & forth to test things out (actually using them, took pictures, etc.) and the only things that are not compatible are the headset plug connector; I guess that is why it is the only part inside that has T959V labeled on the ribbon itself, and the back housing - the antenna contacts receptor(?) on the underside, since one of them was moved to the top of the board, which is also labeled T959V instead of i9000 as it is on the Vibrant.
My gps works great. Maybe its just your phone?
Sent from my SGH-T959V using XDA App
where is the modem at? is it interchangable? like could i buy one online like the ffc? then i would esentually have a vibrant 4g?
brabbit2244 said:
where is the modem at? is it interchangable? like could i buy one online like the ffc? then i would esentually have a vibrant 4g?
Click to expand...
Click to collapse
The modem is one of the black chips soldered onto the board. So no I don't think it would be that easy even if you have those robot precise soldering skills. I will upload a picture that shows the chips and identifies them on the Vibrant (same layout as the 4G but obviously the modem is different on the 4G. Then you have to consider that the extra 20% juice this phone consumes (1000ma on the 4G vs 800ma on the Vibrant) is to power the new modem. So even if you did have the soldering skills, then you might have a power problem.
***I did not take these picture that are attached to this post here. Credit goes to TechInsights *****
tq745 said:
My gps works great. Maybe its just your phone?
Sent from my SGH-T959V using XDA App
Click to expand...
Click to collapse
Yes, it is a possibility. The phone keeps overheating as well when charging, it gets extremely hot. I think this may be a defective unit I received.
i got my 4g and so far no problems with battery or GPS... gps was the first thing i tried and it worked great. im guess some of these crappy phones are slipping through Quality Assurance on the assembly line...
Jaynrb said:
i got my 4g and so far no problems with battery or GPS... gps was the first thing i tried and it worked great. im guess some of these crappy phones are slipping through Quality Assurance on the assembly line...
Click to expand...
Click to collapse
You are totally right. You would think after the GPS mess & outrage with the Vibrant that they would be more careful this second time around. Apparently they did not listen or learn. It really makes me consider going for the LG Optimus 2X instead of the S2. I really want to get the S2 but these problems keep worrying me. It is like loving someone but they keep beating you up, do you get out of the relationship or keep hoping it gets better? Hmmm....
my gps works alright, sometimes it's a little wonky but nothing horribly concerning. i haven't gotten the overheating issue once although my battery is kind of sad.. i've rooted it and used setcpu to underclock when idle but still just short battery life.
i have noticed, however, that i have a green tint to my screen. noticed when taking photos that skin tones are off, then i email it to myself and check on other phones/computers and sure enough, it's just my 4g screen that seems to be tinted green a little. anyone else notice this or is it just me?
ambeestar said:
my gps works alright, sometimes it's a little wonky but nothing horribly concerning. i haven't gotten the overheating issue once although my battery is kind of sad.. i've rooted it and used setcpu to underclock when idle but still just short battery life.
i have noticed, however, that i have a green tint to my screen. noticed when taking photos that skin tones are off, then i email it to myself and check on other phones/computers and sure enough, it's just my 4g screen that seems to be tinted green a little. anyone else notice this or is it just me?
Click to expand...
Click to collapse
Hmm that sucks, if you are going to keep it, that is a problem I would not want to have, try get it exchanged. Thanks for letting us know about your problem.
Maybe someone has a solution and can offer some advice for the green tint?
This thread alone just convinced me that there is no way I would upgrade from the vibrant to this. What a let down. I considered getting it at first but thankfully realized they are just the same phone.
Moved to general as not android development
My friend and I both got 4Gs' at the same time. My gps fixed within 2 meters in my home, his running side by side took a long time to aquire. We rebooted his, gps took a long time to aquire but after 2 min, it did, but was within 9 meters of same location.
Sent from my SGH-T959V using XDA Premium App
I wanna know...
I see the GPS is an issues. But I wanna know from yall that have the SGS 4G, is this the phone to buy right now on Tmobile or go a different route?
Im still rockin a Touch Pro 2. Contract about to end soon. I was lookin at the myTouch4G but the SGS 4G has better looking radios. Where the myTouch only has the 14.4 stuff.
What's yalls thought on it?
I have used both and they are both good phones. The decision for me was made by the screen on the GS4G, the Super AMOLED just looks so much better to me. The MT4G is a more solid feeling phone and it is plenty fast (processing wise). The GS4G is noticeably faster on the 4G network and I also get faster speeds while on WiFi, not sure why but I will take it! Coming from the TouchPro 2 you will be happy with either, I just prefer the GS4G.
First off, i bought this because it was a $1 at the time while i was getting some cases and a other stuff on the off chance it would work. I've actually had it for a month and just barely decided to put it on today to check it out.
some stuff on this site can be pretty low quality. but anyways... I put this (making sure the part that says upside with arrow is pointing up) under my battery to the left of the white sticker with the serial numbers for my phone. and i made sure not to touch the sticky back except just on the edge. i used the cardboard that came with to smooth it down onto plastic.
now this seemed to maybe add a bar or less but that isn't what i liked. it definitely helped my phone from dropping from 4g to 2g constantly from low signal in my house. and in my house I almost NEVER can stay on 4g, we have a lot of electronics in our house plus we need another cell tower out here in Salt Lake (West Jordan) in my area or something. but my phone signal has only dropped down below 4g one time and went from 1-2 bars, sometimes 3 bars to 2-3, usually 3 bars consistently all day since i put it on this morning. this can't be a coincidence because i know my house and this is my 5th g2x and also my last vibrant all had a bad signal dropping problem. so try it out if you want, the promo code CELL7 is posted saying 7% off too. also promo code freeship gives free shipping it looks like if you order over $25 worth of stuff.
im interested to see if this works for others. like i said though it more stopped my signal from jumping around than really adding a bunch of bars or anything. but for a buck its cool with me
the ad honestly looks like a bunch of B.S. but if anyone ends up buying it let me know if you have similar results.
http://www.cellphoneshop.net/noname144.html
Wow! I tried stuff like this on other phones. I noticed no difference.
Glad it helped you out.
Sent from my LG-P999 using XDA Premium App
I love the testimonials. "We were unable to use our cell phone in our home or car..." what are they driving, a tank?
Posted from my G2X using the XDA Premium App.
dkb218 said:
I love the testimonials. "We were unable to use our cell phone in our home or car..." what are they driving, a tank?
LOL, funny.
They could live in middle of nowhere like me.
Posted from my G2X using the XDA Premium App.
Click to expand...
Click to collapse
Sent from my LG-P999 using XDA Premium App
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lol yeah. well im going to say that it doesnt seem to help a much after having it for a bit.. its a little better but i actually have noticed a better improvement by keeping my account 1.0 and wifi calling installed and unfrozen. Signal seems to jump around less. but at the cost of some battery.... not sure which is more significant for me. its bull**** that if i drive down the road a little i get full bars with 4g but in my house/neighborhood i get 1-3 bars
How can an antenna work if it isn't physically connected to the board? These things are just a rip off.
If they actually worked, wouldn't you think these would be a gold mine; or they would implement them into the phone casing or battery cover?
player911 said:
How can an antenna work if it isn't physically connected to the board? These things are just a rip off.
If they actually worked, wouldn't you think these would be a gold mine; or they would implement them into the phone casing or battery cover?
Click to expand...
Click to collapse
Yes I agree with that.
Sent from my LG-P999 using XDA Premium App
Eh it was only a buck . Ill add it to future festures as a sell point gor phone lol
Sent from my LG-P999 using XDA Premium App
So i just got mine in the mail and put it under the battery and I've definitely got a stronger signal... I am getting 1 or 2 bars of 4g in my bedroom when before I could barely hold a GPRS signal...
will test drive it a bit more tomorrow!
If you wanted to boost your signal, the only thing that would actually work would be similar to this...
http://www.amazon.com/Wilson-Electronics-801247-Desktop-Booster/dp/B0014KOB6Y
momentarylapseofreason said:
Click to expand...
Click to collapse
Yeah, it's a scam, they don't work. I remember reading an article about them somewhere ages ago.
momentarylapseofreason said:
If you wanted to boost your signal, the only thing that would actually work would be similar to this...
http://www.amazon.com/Wilson-Electronics-801247-Desktop-Booster/dp/B0014KOB6Y
Click to expand...
Click to collapse
Not necessarily...sometimes I need to tether at work (absolutely no data signal better than a couple bars of 2G). I grab a metal colander from the kitchen, loop my phone over the top, and point it toward the nearest tower...viola...2 to 3 bars of 4G. I know that wasn't really your point...but...
The colander thing works if you don't mind the crazy looks that come with it...I kinda enjoy 'em.
I agree a colander will work because, just like wifi, cellular is radial vs directional.
If you make wifi or cellular directional by ways of a pringles can or a metal colander, that is one thing. But a ball of wires next to your phone won't do anything, which essentially is what that antenna sticker is, just a coil of wire.
They really are a rip off. Mind over matter I guess. If you "feel" it works then it is worth a dollar (which is a ripoff in itself since they can be had for $.25/free)
these psychology gyp you....
placebo effect..
Is this the reason why people seem to be suffering with poor signal? Not good news
HTC Sensation suffers from death grip, iPhone 4 caught snickering
But then again nobody I know carries the phone around flat in the palm of their hand, so probably just another overreaction from the HTC Haters
just saw this at gsmarena too... can anyone do a re-test if this is true? i want to get an htc phone but these things really bother me.. please confirm guys
Just about every phone I've ever had had a death grip issue, including the Vibrant and the MT4G. Since the phones had to be held in a particularly unorthodox manner to experience this, it was a non-issue.
kgbkny said:
Just about every phone I've ever had had a death grip issue, including the Vibrant and the MT4G. Since the phones had to be held in a particularly unorthodox manner to experience this, it was a non-issue.
Click to expand...
Click to collapse
I agree, if you look at the video of the Bluetooth music, when holding the phone in the normal position it works perfectly.
Yep. Just people overreacting and trying to make news.
I'd love to see a video of a phone that can't be made to suffer some signal loss by holding it in a certain way.
The key question is does it suffer significant loss by holding it in a normal manner. More practically do you get wifi, call or GPS drops when using the phone normally. Show me that video and I'll care.
I don't see this as an issue since how often or why do would you need to put a death grip on your phone
Tried to replicate these issues, cannot. The initial signals must be too weak to start with, so disappear completely - or, the whole thing is a fake.....?
Bluetooth is shorter range anyway, isn't that the point, it's meant to be low power.
My Sensation wifi reception isn't the greatest but I have no issue with it, however I hold the phone
Tbh I am surprised at a site like gsmarena posting 'sensational' claims..... without knowing the whole story.
In 2 words: bull ****.
Really, I can't understand why people are searching those issues which are not issues at all O-o
I mean, every phone does suffer from signal drops and all that kind of things, but well.. it really depends in which position.
If you look in the video, the phone works perfectly when holding it normally.. just when you hold it like I dont know what ( who will hold it like this?) the signal drops.
So I think there is nothing to worry about..
I think that this is a valid issue since when you browse the internet and hold the phone horizontally for landscape viewing then this might cause the wifi signal to drop. I have read this issue also on the HTC Desire S. I went to the store to try and its really true that when you hold it horizontally, the wifi signal would drop. So i guess that this is also happening on the HTC Sensation.
Isn't GSM arenas phone missing a contact?
slash gears sensation has an extra contact thus I'm assuming equals better reception.
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raegae2000 said:
Isn't GSM arenas phone missing a contact?
slash gears sensation has an extra contact thus I'm assuming equals better reception.
Click to expand...
Click to collapse
It's because SlashGear has the US version while GSMArena has the UK one.
Yeah, apparently the 4G model has an extra contact point.
The T-Mobile version needs another contact because of 1700 MHz band (not sure, I'm just guessing)
if the sensation is anything like the HD2, the GSM Antenna is in the lower part. On top are the Wifi+BT (same Antenna) and the GPS. Total of three antennas.
Also, the HD2 had the same arrangment were the back cover (plastic)had all the antennas & they were connected by similar conacts. The difference simply is that with the sensation the cover comes out when removing the battery while the HD2 had the plastic back fixed. So if there is a problem with this design we should have noticed it in the HD2 first.
Another thing, the BT streaming sample done, as per swedish source was done at 6m distance. which kinda long for purpose of bluetooth!!
Does that mean the Sensation's Wifi, Bluetooth, GPS, Radios won't work if the back cover is removed? That would be too bad coz my HD2 works fine even if the battery is exposed..
Today I found out that I am also suffering with my sensation.
It is absolutely no bull****.
This is my third HTC, I have next to my Sensation a HD2.
With my HD2 the deathgrip was only a problem when i cover the hole with my top hand, i never normaly do that so it wasn't a problem.
But with my sensation its a much bigger problem.
If i hold him in my right hand, there is no problem.
if i hold him in my left hand and touch with my right finger then you see that he is losing signal.
if i hold him in landscape mode then almost all my wifi signal is gone.
If i hold him in my right hand and tick with my right finger on the top of the sensation, the wifi wignal drops down.
And the biggest problem is that he loses the wifi signal and then he is searching again for wifi.
I have never tested Bluetooth, and i have 3 antenna points in the cover.
maybe i will make a video later.
and sorry for my bad english, google translate Helps me
luffyp said:
Does that mean the Sensation's Wifi, Bluetooth, GPS, Radios won't work if the back cover is removed? That would be too bad coz my HD2 works fine even if the battery is exposed..
Click to expand...
Click to collapse
when i remove the back cover all my signal is gone, he says: No service!
because of the bad range.
Hard to belive ppl are not thinking this is a problem.
That Position is MUCH more common then the Iphone 4 death grip... Also the issue is much more prominent on the Sensation then on the Iphone 4.
EDIT: I can NOT belive how accepting ppl are of the HTC sensations faults. It REALLY saddens me.
PPl.. there is no need to Defend HTC with your life. They are one Company. We should be choosing best company not being fan boys. Every1 should be able to recognize the problems phone have.
Maedhros said:
Hard to belive ppl are not thinking this is a problem.
That Position is MUCH more common then the Iphone 4 death grip... Also the issue is much more prominent on the Sensation then on the Iphone 4.
EDIT: I can NOT belive how accepting ppl are of the HTC sensations faults. It REALLY saddens me.
PPl.. there is no need to Defend HTC with your life. They are one Company. We should be choosing best company not being fan boys. Every1 should be able to recognize the problems phone have.
Click to expand...
Click to collapse
I was a littlebit a fanboy from HTC, I really like HTC's design.
But the Sensation dissapoint me.
Well not sure if there is a thread like this yet, but I figured I'd post it up in case anyone wants to see them
The actual reason I had yo do this was because today I went to take a picture of my little kid (he's ² months) in his bathtub and he kicked my s3 out of my hand, and into his bathtub. So I pulled it apart to dry it out'
Enjoy
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Is there a warrenty sticker anywhere on it? I noticed there isnt one covering one of the screws like I read about. I did notice there are what looks like white stickers covering some holes. I was going to take the screws and back under cover off just to have a look around but I was afraid they have some hidden shenanigans that would void my warrenty.
Just jizzed in my pants..nngghhfnfnfnfkdkd
Does it work now?
Wow, you're a lot braver than I am! Hopefully it all works!
Thanks for the post and pics. I hope it works out for you! Good luck
Sent from my SCH-I535 using xda app-developers app
Awesome
Sent from my SCH-I535 using xda app-developers app
nope no warranty stickers.
those little white circle stickers on the back cover, are covers for the antenna connections (similar to what you see on a wireless laptop card.)
& yes the phone is working excellent.
in regards to the little antenna connectors, i actually separated my RFID chip & antenna from my works ID (we have HID/RFID badges to let us in & out of the building)
I soldered a laptop antenna connector to the RFID antenna, end (allowing both ends of the RFID antenna to connect to the chip, but then on the 1 end there is a off shot with the wireless antenna connector) & i connected that to one of the antenna points on the phone.
before doing this i only received 1 bar with wifi in the farthest part of my back yard. not i get 2 , also i can hold my phone 4-8 inches from the works badge reader & it read (so its range increased as well) normally i would have to lay my badge on it & move it around a little bit
so win win 2 birds with 1 bullet (thats a inside joke that maybe a few will know )
i wish i was able to put the NFC chip in emulate mode so i could just emulate the work badge, but this solution turned out to be better (for now)
Good job
Obviously the nfc chip is in the battery lol I just bought a 4500mah extended battery. I wonder if there outs anyway to swap the NFC antenna to the new battery? If anyone knows , I would be happy to test it out. I guess I will have too Google it to see the possibilities!
Sent from my SCH-I535 using Tapatalk 2
dirtydroidx said:
Obviously the nfc chip is in the battery lol I just bought a 4500mah extended battery. I wonder if there outs anyway to swap the NFC antenna to the new battery? If anyone knows , I would be happy to test it out. I guess I will have too Google it to see the possibilities!
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
i dont think the NFC is in the battery...i think only the antenna is ....at least in my Nexus 7 that is how it is.
enohand said:
nope no warranty stickers.
those little white circle stickers on the back cover, are covers for the antenna connections (similar to what you see on a wireless laptop card.)
& yes the phone is working excellent.
in regards to the little antenna connectors, i actually separated my RFID chip & antenna from my works ID (we have HID/RFID badges to let us in & out of the building)
I soldered a laptop antenna connector to the RFID antenna, end (allowing both ends of the RFID antenna to connect to the chip, but then on the 1 end there is a off shot with the wireless antenna connector) & i connected that to one of the antenna points on the phone.
before doing this i only received 1 bar with wifi in the farthest part of my back yard. not i get 2 , also i can hold my phone 4-8 inches from the works badge reader & it read (so its range increased as well) normally i would have to lay my badge on it & move it around a little bit
so win win 2 birds with 1 bullet (thats a inside joke that maybe a few will know )
i wish i was able to put the NFC chip in emulate mode so i could just emulate the work badge, but this solution turned out to be better (for now)
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Click to collapse
This is something i would love to do.... Any chance you have some closeup pics of where you soldered the antenna connection for your badge?
Beemer533 said:
This is something i would love to do.... Any chance you have some closeup pics of where you soldered the antenna connection for your badge?
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Click to collapse
I'd love to see a mod to increase my wireless antennae range as well one bar 3G blows.
Sent from my SCH-I535 using Tapatalk 2
Beemer533 said:
This is something i would love to do.... Any chance you have some closeup pics of where you soldered the antenna connection for your badge?
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Click to collapse
i do not, but i basically tied into the lead coming of the RFID chip. (stock wire-----| rfid |-----wire) my mod (wire & shoot of for the wireless lead >---| rfis |------wire
pyrostic said:
I'd love to see a mod to increase my wireless antennae range as well one bar 3G blows.
it did not do anything for cellservice. it just incread the wifi range by 1 bar
Sent from my SCH-I535 using Tapatalk 2
Click to expand...
Click to collapse
enohand said:
nope no warranty stickers.
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Click to collapse
Hmmm so we can replace parts without voiding the warrenty?
man,that charge port looks like a pain in the ass to replace...i have to replace mine, and now i'm worried
Just Crazy!! :silly:
Imatoasta said:
Hmmm so we can replace parts without voiding the warrenty?
Click to expand...
Click to collapse
As long as they don't catch it...
Sent from my SCH-I535 using xda premium
I can't wait to get mine and cool tear down, I hope I don't need to do that.
wow
Hi, yesterday i open my gtab and i saw the wifi antena its very small
Is there any way to change it? or amplyfi the wifi signal by changing it?
I was thinking changing for one of these:
http://www.ebay.com/itm/1pc-New-Lap...ectional_Network_Antennas&hash=item5ae928d096
http://www.ebay.com/itm/1pc-Laptop-...ectional_Network_Antennas&hash=item5ae6213b5f
http://www.ebay.com/itm/U-FL-Mini-P...ectional_Network_Antennas&hash=item4cf5ef6d82
I think this its the best:
http://www.ebay.com/itm/U-fl-Laird-...ectional_Network_Antennas&hash=item416946edf8
Problem solved (Antenna) i will get one OMNIDIRECTIONAL ANTENNA 9bi and try to get inside the tablet, i will post pictures by request.
anyone?
A solution for you would be this:
buy one of these (dont have to use fleabay of course, but it must be IPX to RP-SMA)
http://www.ebay.com/itm/U-fl-IPX-to...824?pt=LH_DefaultDomain_0&hash=item4a9fb5aa28
drill a hole on top/side to fit perfectly and screw it in, the ipx end will attach (snap on) to the motherboard.
then you can buy one of these:
http://www.ebay.com/itm/7dbi-2-4GHz...ectional_Network_Antennas&hash=item45fbc0cf30
or you could even get one of these:
http://www.ebay.com/itm/Netgear-Pro...ectional_Network_Antennas&hash=item415fa80efb
this one would not be portable but you would have a great signal!!
your only requirements are the IPX connector and an RP-sma adapter if the antenna you buy does not have an Rp-sma connector
Our antenna is like the second one I linked, just way smaller, probably 2 or 3 dbi.
In terms of signal, every 3dbi is a double in gain, so a 7db would be double or triple stock antenna strength
You have the right idea, but anything less than 5db would be a waste of time, you wont notice much, and the patch antennas are directional. The external rabbit ear type will receive from any direction
to mods: I am not a vendor and I hope linking to fleabay is not against the rules. I will change if needed.
redeyedjedi said:
A solution for you would be this:
buy one of these (dont have to use fleabay of course, but it must be IPX to RP-SMA)
http://www.ebay.com/itm/U-fl-IPX-to...824?pt=LH_DefaultDomain_0&hash=item4a9fb5aa28
drill a hole on top/side to fit perfectly and screw it in, the ipx end will attach (snap on) to the motherboard.
then you can buy one of these:
http://www.ebay.com/itm/7dbi-2-4GHz...ectional_Network_Antennas&hash=item45fbc0cf30
or you could even get one of these:
http://www.ebay.com/itm/Netgear-Pro...ectional_Network_Antennas&hash=item415fa80efb
this one would not be portable but you would have a great signal!!
your only requirements are the IPX connector and an RP-sma adapter if the antenna you buy does not have an Rp-sma connector
Our antenna is like the second one I linked, just way smaller, probably 2 or 3 dbi.
In terms of signal, every 3dbi is a double in gain, so a 7db would be double or triple stock antenna strength
You have the right idea, but anything less than 5db would be a waste of time, you wont notice much, and the patch antennas are directional. The external rabbit ear type will receive from any direction
to mods: I am not a vendor and I hope linking to fleabay is not against the rules. I will change if needed.
Click to expand...
Click to collapse
you say your antenna its 2 or 3dbi (
Our antenna is like the second one I linked, just way smaller, probably 2 or 3 dbi.
Click to expand...
Click to collapse
)
but also say
but anything less than 5db would be a waste of time
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Click to collapse
so, what about your antenna? did you see any difference from stock antenna?
i dont want to have any external antenna, because i use it most of times with some of my clients, and having some external antenna takes the "stylish" thing to the g-tablet, i have even consider to buy some carbon fiber for the back
so you say that the last option i consider (the black internal antenna rectangle) will be useless? or worst than the stock antenna?
can you send me a picture of the work you made with your tablet?
NO, the STOCK antenna is 2 or 3 dbi. If you upgrade to a 4dbi like the one you linked to, you will not notice a difference, but if you went up to 5dbi or 6 or 7, you will notice an improvement. They make patch antennas which may fit inside our tab, but if you do not get at least 5, it is a waste of time. I have not changed mine, but I have a lot of PC experience getting people wifi from long range. I have even set up a connection two miles away using a 24dbi dish from an mmds system. I am just saying that wifi reception is based on signal level, measured in DB, and every +3DB is equal to double the reception strength. If you go from our STOCK 3DBi to the one you showed, you will be mad that your signal is the same. go to atleast 5, and you will see a difference. Some people think their wifi is crappy because they do not realize our STOCK antenna is directional, and if facing the wrong way, signal will be weak. I only suggest the external antenna for a more noticeable improvement. You will have to choose style over strength or vice-versa.
redeyedjedi said:
NO, the STOCK antenna is 2 or 3 dbi. If you upgrade to a 4dbi like the one you linked to, you will not notice a difference, but if you went up to 5dbi or 6 or 7, you will notice an improvement. They make patch antennas which may fit inside our tab, but if you do not get at least 5, it is a waste of time. I have not changed mine, but I have a lot of PC experience getting people wifi from long range. I have even set up a connection two miles away using a 24dbi dish from an mmds system. I am just saying that wifi reception is based on signal level, measured in DB, and every +3DB is equal to double the reception strength. If you go from our STOCK 3DBi to the one you showed, you will be mad that your signal is the same. go to atleast 5, and you will see a difference. Some people think their wifi is crappy because they do not realize our STOCK antenna is directional, and if facing the wrong way, signal will be weak. I only suggest the external antenna for a more noticeable improvement. You will have to choose style over strength or vice-versa.
Click to expand...
Click to collapse
Thats great info! i made a research
and as you say, omnidirectional will be best option
so, instead of having an EXTERNAL antenna as you suggested
why no put inside the tablet?
will work the same right? and will be omnidirectional , right?
as the space inside gtablet with the both plastic covers isnt that much
i tought this its my best option:
http://www.ebay.com/itm/2-4GHz-7dbi...090?pt=LH_DefaultDomain_0&hash=item3f05ccd302
+
http://www.ebay.com/itm/RP-SMA-fema...761?pt=LH_DefaultDomain_0&hash=item4ab4023a39
I will just dismantle it, and make it happen inside the tablet (the plastic cover around antenna its useless right?its just for protection? since will be inside tablet no need protection, right?)
another options are this:
http://www.ebay.com/itm/Genuine-Lin...ectional_Network_Antennas&hash=item1e677a7dd1 (this its directional only, will be that bad?) (but its ufl/ipx :good
http://www.ebay.com/itm/Dual-Band-2...ectional_Network_Antennas&hash=item20c639d4fb (cheapest but 1 dbi less, its that much difference?)
http://www.ebay.com/itm/7dBi-Linksy...ectional_Network_Antennas&hash=item1e6e6818b5
As your an expert in this specific area, what do you suggest me from this options?
I know Linksys its a great company for wireless solutions, right?
but ,chinese omnidirectional 7dbi vs Linksys directional 7dbi
What you think will be better for my specific case? I know its hard, since its omni vs directional antenna, and also no-brand vs good company
Hope you can help me with this last questions
thanks
Get the cheapest one you can find. Actually, get 2 of them. All they are is a wire which is cut to the right wavelength, and they have a ball shaped ground plane towards the bottom. If you get one from a router, it will even have an IPX connector on the end of it already. I say get 2 because if you are careful, you can cut the outer rubber/plastic away and have just the wire, which will easily fit inside the gtab case, and still work even if you curl it around. They are really cheap, so if you get 2, you can mess up on 1, and still have the other.
redeyedjedi said:
Get the cheapest one you can find. Actually, get 2 of them. All they are is a wire which is cut to the right wavelength, and they have a ball shaped ground plane towards the bottom. If you get one from a router, it will even have an IPX connector on the end of it already. I say get 2 because if you are careful, you can cut the outer rubber/plastic away and have just the wire, which will easily fit inside the gtab case, and still work even if you curl it around. They are really cheap, so if you get 2, you can mess up on 1, and still have the other.
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Click to collapse
THATS EXCELLENT NEWS FOR ME!
just one last dub!
you say
curl it around
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you mean like CURVED as an L or U (like in the picture)?
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like the image above?
and will work the same?
If it does will work the same, then i can buy a higher DBI antenna, and just curve it as an L in the angle of the Gtablet
i saw 17dbi antenna that are 20-30cm something lenght
so i can curve in the angle, and will fit great inside tablet
i'm right?
yes, you're right. If it is the right wavelength it will work, as long as it will fit. a 17dbi would be longer than that though, sounds like a FAKE. ALFA makes one that is 9dbi, thats the best REAL one I have seen.
redeyedjedi said:
yes, you're right. If it is the right wavelength it will work, as long as it will fit. a 17dbi would be longer than that though, sounds like a FAKE. ALFA makes one that is 9dbi, thats the best REAL one I have seen.
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Click to collapse
could you send me some ebay link for that one your talking (9dbi)
http://www.ebay.com/itm/WiFi-Wirele...ectional_Network_Antennas&hash=item45fa984463
This is not a cheapo chinese, be careful taking the plastic off. I own one of these, it works great, look at all that have been sold already.
old thread dig up
Any updates on this, I hate my WiFi connection, anyone got any pic
timritchieblue said:
Any updates on this, I hate my WiFi connection, anyone got any pic
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Click to collapse
i test a DIY wifi antenna, and didnt work better
but it work
so, yes, you can change with a better antenna
its just that a better antenna will be 10$+ and actually i dont want to spend that money just for an antenna