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Thread: Signal strength

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    Signal strength

    Thinking about getting a s20 ultra 5g. Currently have a iPhone 11 Pro and a s6 active. The s6 gets about 7 to 10 dbm stronger signal then the iPhone on the same band and tower. How is the signal strength with the new s20 ultra compared to previous devices.

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    I just picked up a LG V60 5G and it got much better signal than the iPhone 11 Qualcomm over Intel.
    OnePlus 7t Pro McLaren 5G (T-Mobile)

    iPhone 11 Red 64G unlocked using (T-Mobile & AT&T) Sim & eSim

    Coming tomorrow LG V60 5G (AT&T)

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    Just an FYI, the s6 is both Qualcomm and 2x2 MIMO so it’s going to get better reception than the 11 Pro without a doubt.


    Sent from my iPhone using Tapatalk Pro

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    Quote Originally Posted by JSchnee21 View Post
    Just an FYI, the s6 is both Qualcomm and 2x2 MIMO so it’s going to get better reception than the 11 Pro without a doubt.


    Sent from my iPhone using Tapatalk Pro
    The S6A is the Shannon modem from Samsung with Exynos hardware.

    I loved that phone and the signal it got. The note 10+ is close but not quite as good. I think the rubber and plastic housing also helped.

    Sent from my SM-N975U using Tapatalk

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    Yeah, it's a Samsung modem in the S6. And since when does 2x2 MIMO get better reception than 4x4, let alone "Without a doubt"? What do you think 4x4 MIMO does?

    Chicago, IL
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    Quote Originally Posted by jakeuten View Post
    Yeah, it's a Samsung modem in the S6. And since when does 2x2 MIMO get better reception than 4x4, let alone "Without a doubt"? What do you think 4x4 MIMO does?
    I've seen this argued in the VZW forum. Befuddled.

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    I just ordered the s20 ultra so we will find out. From what I’ve gathered on reddit the S20 ultra is a little better then the s9 series with the s9 prior being the best for reception.

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    So after receiving a unlocked s20 ultra today I’m kinda disappointed in the antenna performance compared to my iPhone 11 Pro and s6 active. Name:  A058BDEF-940D-4C29-9029-6078A7949700.jpg
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    The iPhone completed a sped test and call at these signal levels.
    Name:  08401526-6D0A-42C1-8897-439A2595F21F.jpg
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    The ultra briefly grab the signal then lost service. The s6 active held onto band 12 much better then the iPhone

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    Quote Originally Posted by Stealthily View Post
    So after receiving a unlocked s20 ultra today I’m kinda disappointed in the antenna performance compared to my iPhone 11 Pro and s6 active. Name:  A058BDEF-940D-4C29-9029-6078A7949700.jpg
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    The iPhone completed a sped test and call at these signal levels.
    Name:  08401526-6D0A-42C1-8897-439A2595F21F.jpg
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    The ultra briefly grab the signal then lost service. The s6 active held onto band 12 much better then the iPhone
    The s20 wasn't connected to at&t. Look at the serving plmn. 311-882

    Hard to beat the S6A.

    Sent from my SM-N975U using Tapatalk

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    Quote Originally Posted by Joeybutts View Post
    The s20 wasn't connected to at&t. Look at the serving plmn. 311-882

    Hard to beat the S6A.

    Sent from my SM-N975U using Tapatalk
    Right before that it was when it had a connection. It also switched to sprint band 26 signal once it lost service as well. I really think the s6 is so well do to the plastic and rubber build. I kinda would like a flagship spec device built in a rugged body or plastic like they used too. I wonder if the Samsung a71 5g would do better being a plastic back and frame design.

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    Quote Originally Posted by Stealthily View Post
    Right before that it was when it had a connection. It also switched to sprint band 26 signal once it lost service as well. I really think the s6 is so well do to the plastic and rubber build. I kinda would like a flagship spec device built in a rugged body or plastic like they used too. I wonder if the Samsung a71 5g would do better being a plastic back and frame design.
    That’s why they make super rugged cases now. I’m sorry you’re not having as good of an experience with your S20 Ultra as you were with your other phones. So what’s your next steps?

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    Quote Originally Posted by Joeybutts View Post
    I've seen this argued in the VZW forum. Befuddled.

    Sent from my SM-N975U using Tapatalk
    So, the point I was trying to make is that some phones with 2x2 MIMO (mainly iPhones I’m talking about here) have physically larger antennas with better RF sensitivity then their 4x4 equivalents.

    This was proven by comparing the the FCC data between the XR (2x2) and the X Pro. Of course the exact RF sensitivity depends on the phone’s hardware, the band in question, how well the antenna is tuned for that band, etc.

    Of course there are lots of other factors too. Antenna diversity, proximity to attenuating materials (like hands and heads), etc. SNR for the band(s) in use, etc.

    I realize that I was generalizing. I wish MFG’s and the FCC were far more transparent about this. End users want to know which phones get the best reception — especially when forking over $500-$1500 for a new phone.


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    Quote Originally Posted by JSchnee21 View Post
    So, the point I was trying to make is that some phones with 2x2 MIMO (mainly iPhones I’m talking about here) have physically larger antennas with better RF sensitivity then their 4x4 equivalents.

    This was proven by comparing the the FCC data between the XR (2x2) and the X Pro. Of course the exact RF sensitivity depends on the phone’s hardware, the band in question, how well the antenna is tuned for that band, etc.

    Of course there are lots of other factors too. Antenna diversity, proximity to attenuating materials (like hands and heads), etc. SNR for the band(s) in use, etc.

    I realize that I was generalizing. I wish MFG’s and the FCC were far more transparent about this. End users want to know which phones get the best reception — especially when forking over $500-$1500 for a new phone.


    Sent from my iPhone using Tapatalk Pro
    In the case of the Intel iPhones, I agree, the xr has shown to outperform the xs in testing. I believe it has to do with it being a combination of design and being Intel rather than Qualcomm or Exynos.

    As for Samsung, the S6A was the only phone in my experience, that was 2x2 and outperformed 4x4 devices in fringe coverage. Even that isn't the best comparison, because all the 4x4 devices I've used recently were Qualcomm and not Exynos with the Shannon modem.

    Could be possible that the Exynos with 4x4 outperforms Qualcomm 4x4.


    Here's a pretty good read about antennas used in mobile phones. Click at the bottom of the list to show the full listing of phones tested. Take note of the iphones. Always wondered why they had higher SAR values.

    https://smartphonesrevealed.com/phon.../?showall=true

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    Last edited by Joeybutts; 05-16-2020 at 10:26 AM.

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    Quote Originally Posted by DebiLee View Post
    That’s why they make super rugged cases now. I’m sorry you’re not having as good of an experience with your S20 Ultra as you were with your other phones. So what’s your next steps?
    Returning the s20 today to bestbuy. I wish that the new Motorola edge plus was available unlocked, Motorola is known to be best with antennas. The new iPhone Se has a good antenna as well. My 11 pro works in my works bathroom where my co worker with the att note 10 his has no service.

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    Quote Originally Posted by Stealthily View Post
    Returning the s20 today to bestbuy. I wish that the new Motorola edge plus was available unlocked, Motorola is known to be best with antennas. The new iPhone Se has a good antenna as well. My 11 pro works in my works bathroom where my co worker with the att note 10 his has no service.
    That’s one thing I could never figure out about iPhones (or all cell phones in general for that matter). The whole purpose of a cell phone is to use a wireless signal as fast as possible. Apple has been known to use inferior technology for modems and antennas (insert your standard intel vs Qualcomm argument here or the old antenna gate story here). I really wish Apple would get the latest and greatest modem and antenna and build the device around those two features.

    So far a majority of the reports has suggested that the new iPhone will use the Qualcomm x55 modem a few articles did suggest that it was possible (although unlikely) that Apple struck a deal with Qualcomm to get access to the x60 modem early.


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