Ascertion Posted January 26, 2013 Share Posted January 26, 2013 While I'm holding my phone in my living room (both hands on the bottom half of the device.)<br /><br /><br />When I move both of my hands to the top of the phone. <br /><br /><br />Anyone else able to replicate this Quote Link to comment Share on other sites More sharing options...
WiWavelength Posted January 26, 2013 Share Posted January 26, 2013 But does it have a "Death Blow"??? "When someone tries to blow you up, not because of who you are, but because of different reasons altogether..." AJ 1 Quote Link to comment Share on other sites More sharing options...
themuffinman Posted January 26, 2013 Share Posted January 26, 2013 I think most phones will suffer from some sort of death grip, you would just have to hold it in an unconventional way which is why most won't know about it. Quote Link to comment Share on other sites More sharing options...
Ascertion Posted January 26, 2013 Author Share Posted January 26, 2013 I think most phones will suffer from some sort of death grip, you would just have to hold it in an unconventional way which is why most won't know about it.<br />Why wouldn't they work around this and put the antennas at the top to avoid the hand interference Quote Link to comment Share on other sites More sharing options...
digiblur Posted January 26, 2013 Share Posted January 26, 2013 Maybe the other diversity antenna is up there? To have diversity you do have to space them out. If you had to ask me, I do wish the phones still had the pull out antenna when you needed to get an extra bit of signal. But alas, people think antennas are ugly, cell towers are ugly, routers shouldn't have antennas, etc, but then they complain because their phone won't work or their laptop won't work in the next room. Maybe it's because they voted down the palm tree antenna down the road and hid their router under the kitchen sink! Quote Link to comment Share on other sites More sharing options...
Fifth313ment Posted January 26, 2013 Share Posted January 26, 2013 "...So you cry... and then when you see the dancing, you cry again!..." Quote Link to comment Share on other sites More sharing options...
Ascertion Posted January 26, 2013 Author Share Posted January 26, 2013 "...So you cry... and then when you see the dancing, you cry again!..." I don't understand this post. Quote Link to comment Share on other sites More sharing options...
WiWavelength Posted January 26, 2013 Share Posted January 26, 2013 "...So you cry... and then when you see the dancing, you cry again!..." Sweet fancy Moses! AJ 1 Quote Link to comment Share on other sites More sharing options...
bigsnake49 Posted January 26, 2013 Share Posted January 26, 2013 While I'm holding my phone in my living room (both hands on the bottom half of the device.) You're obviously holding it wrong:). Antennagate redux, except since it's not an iPhone, the pundits are not going to pounce on it. All phones have the same problem to some degree, some more than others. Quote Link to comment Share on other sites More sharing options...
S4GRU Posted January 26, 2013 Share Posted January 26, 2013 I hold my GS3 a certain way and the 1x signal goes down, but then the 2nd 1x signal goes up. So it really doesn't matter, all things considered. Also, when I do my device testing, I test them being held and on a flat surface untouched. I can tell you that every device I've tested is affected by being held, especially the Viper. That's why I test them both ways. Robert via Nexus 7 with Tapatalk HD 1 Quote Link to comment Share on other sites More sharing options...
Ascertion Posted January 26, 2013 Author Share Posted January 26, 2013 I hold my GS3 a certain way and the 1x signal goes down, but then the 2nd 1x signal goes up. So it really doesn't matter, all things considered. Also, when I do my device testing, I test them being held and on a flat surface untouched. I can tell you that every device I've tested is affected by being held, especially the Viper. That's why I test them both ways. Robert via Nexus 7 with Tapatalk HD The aosp Roms for the gs3 must disable the second antenna unless the signal threshold it displays via android status bar is not programmed to display the signal strength of the secondary antenna. Quote Link to comment Share on other sites More sharing options...
halcyoncmdr Posted January 27, 2013 Share Posted January 27, 2013 Every phone will have this issue when you COVER THE ANTENNA ENTIRELY with absorbent material (like your body). If anyone wants, I can tear just about any phone apart at work tomorrow and post pics, labeling what I know along the way. Can't upload them at work, S4GRU is blocked as a sports site (WTF?). Carrier-specific versions often are different from each other. The iFixit GS3 teardown for instance is for a GSM variant which is different from Sprint's. Quote Link to comment Share on other sites More sharing options...
Rukin1 Posted January 27, 2013 Share Posted January 27, 2013 hmm I did this. Smae results Quote Link to comment Share on other sites More sharing options...
Thomas L. Posted January 27, 2013 Share Posted January 27, 2013 <br />Why wouldn't they work around this and put the antennas at the top to avoid the hand interference If you look at the antenna diagrams for the S3, there is a receive only LTE antenna at the top of the phone, plus the Wifi/Bluetooth antennas on the top right of the phone. The 1X/EVDO and an LTE transmit/receive antenna are on the bottom. The reason for this if I remember correctly, is that most people hold their phone near the bottom when they are browsing/playing games (using data), so wifi and LTE receive antennas are on the top. When you are holding the phone for a call, you are more likely to be holding the headset towards the top, so they put the 1X/EVDO antennas near the microphone, where you are almost sure not to be holding the phone. Here is an image of the antenna locations on the phone: 1 Quote Link to comment Share on other sites More sharing options...
digiblur Posted January 27, 2013 Share Posted January 27, 2013 Yep, that's what I figured for the antenna placement as well. Sent from my little Note2 Quote Link to comment Share on other sites More sharing options...
koiulpoi Posted January 28, 2013 Share Posted January 28, 2013 Can't upload them at work, S4GRU is blocked as a sports site (WTF?).And that is why they invented 3G Quote Link to comment Share on other sites More sharing options...
tommym65 Posted January 28, 2013 Share Posted January 28, 2013 If you look at the antenna diagrams for the S3, there is a receive only LTE antenna at the top of the phone, plus the Wifi/Bluetooth antennas on the top right of the phone. The 1X/EVDO and an LTE transmit/receive antenna are on the bottom. The reason for this if I remember correctly, is that most people hold their phone near the bottom when they are browsing/playing games (using data), so wifi and LTE receive antennas are on the top. When you are holding the phone for a call, you are more likely to be holding the headset towards the top, so they put the 1X/EVDO antennas near the microphone, where you are almost sure not to be holding the phone. Here is an image of the antenna locations on the phone: Has anyone else noticed that the GS3 LTE receiver seems to be somewhat directional: When I aim the left side of the phone toward where I think the tower is, I seem to get about a -5 dBm RSRP signal strength improvement. Based on the diagram that Thomas L. posted, this seems plausible. I live in a somewhat fringe LTE area at the moment, so it may be just my imagination. I would be interested if anyone else has had the same experience. Quote Link to comment Share on other sites More sharing options...
S4GRU Posted January 28, 2013 Share Posted January 28, 2013 Has anyone else noticed that the GS3 LTE receiver seems to be somewhat directional: When I aim the left side of the phone toward where I think the tower is, I seem to get about a -5 dBm RSRP signal strength improvement. Based on the diagram that Thomas L. posted, this seems plausible. I live in a somewhat fringe LTE area at the moment, so it may be just my imagination. I would be interested if anyone else has had the same experience. I've observed this with the Note 2 and my Nexus 4 as well. Robert via Samsung Note II via Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
WiWavelength Posted January 28, 2013 Share Posted January 28, 2013 Has anyone else noticed that the GS3 LTE receiver seems to be somewhat directional: When I aim the left side of the phone toward where I think the tower is, I seem to get about a -5 dBm RSRP signal strength improvement. I sense a Fox News headline coming: Samsung Galaxy S3, the left leaning phone for liberals. AJ 3 Quote Link to comment Share on other sites More sharing options...
tommym65 Posted January 28, 2013 Share Posted January 28, 2013 I sense a Fox News headline coming: Samsung Galaxy S3, the left leaning phone for liberals. AJ Quote Link to comment Share on other sites More sharing options...
P_M_G Posted February 13, 2013 Share Posted February 13, 2013 But does it have a "Death Blow"??? "When someone tries to blow you up, not because of who you are, but because of different reasons altogether..." AJ Let me know when it builds a DEATH STAR! Quote Link to comment Share on other sites More sharing options...
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