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Talk time, on your phone?

Discussion in 'GENERAL Wireless Discussion' started by Jerro, Oct 14, 2005.

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  1. Jerro

    Jerro Bronze Senior Member
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    GSM phones seem to have more battery time available for talk and standby vs. CDMA phones.

    What is your real world experience with either?
     
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  2. Andy

    Andy Diamond Senior Member
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    I agree that GSM usually have much higer stand by time than CDMA phones, but I really can't complain with my Moto E815. It's the best phone, battery life wise, that I've ever owned.
     
  3. MOTOhooligan

    MOTOhooligan Former Mobile Data Addict
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    Hmmm... good question. I'll have to do an experiment for this thread this weekend. Especially good timing, Jerro, since I'm pretty much laid up with a back injury.

    In this corner, weighing in at a modest 2.83oz, the Samsung SGH-e315. This GSM clamshell handset currently activated on T-Mobile service has a 3.7V, 350 mAh LiIon battery and a manufacturer's listed talk time of 3.50 hours!

    And in this corner, weighing in at a hefty 3.87oz, the Nokia 6015i. This cruiserweight CDMA handset is active on Alltel service and has a 3.7V, 1070 mAh LiIon battery with a manufacturer's advertised talk time of 3.70 hours!

    Who will win the battle of the wireless network talk time? Stay tuned...
     
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  4. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    I get 2 days & nights usage on my GSM Motorola V551 w/ Cingular service. I use my phone about 600 - 800 mins/mo and always maintain a bluetooth connection to my Motorola HS820 headset as well.
     
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  5. Andy

    Andy Diamond Senior Member
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    What are you going to do? Call one phone from the other and see which one dies first? :)
     
  6. MOTOhooligan

    MOTOhooligan Former Mobile Data Addict
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    I guess I could do that, huh? I was just going to call my friends and talk to them as I don't have much else to do. (I was going to clean out my garage this weekend but that's pretty much out now. :mad: )
     
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  7. Andy

    Andy Diamond Senior Member
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    I love to call my friends on weekends when i have nothing to do...that's probably why I've already used about 1000 weekend minutes, just over halfway into my billing cycle. :)
    I'll be working this weekend, but I hope you'll feel better.
     
  8. MOTOhooligan

    MOTOhooligan Former Mobile Data Addict
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    I'm sure I'll feel better by Monday of next week. And what are you talking about? This experiment is working. Just because it looks like I'm really just catching up with my friends, lying on my couch doesn't mean I'm not working hard.:browani:
     
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  9. Industry_Insider

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    It is a good question and it really has more to do with the phone design than necessarily the technology (GSM vs CDMA). The battery life is a function of the phone's battery drain which in turn is driven by the design of the board (phone). Of course you then need to take into account the battery size, like rancidhooligan mentioned 350 mAh vs 1070 mAh on his phones. So on the surface it would appear the 1070 mAh would be better but that's where the drain comes in. If the phone has dual processor vs single, or has other features that drain the battery at a higher rate has to be taken into consideration. It should be noted most carriers have battery drain requirements so the phone manufacturers know what they have to design the phone towards. Then they also have talk time requirements which only makes sense because the end user really doesn't care about battery drain.:confused:

    So that all being said, and hopefully not too confusing, the best comparison would be phones with similar designs but with different technologies and the same battery size. Of course to do that you would need some help from subject matter expert (SME) to give you which 2 phones to compare.

    Now that I bored the hell out of all of you I will shut up.:loony:
     
  10. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    Well, today my digital camera gave out before my phone did! (right when I was going to take the picture of the flagpole tower on rt 7) I talked about 3 hours total on my V551 today, all with my bluetooth headset. My battery is now reading a 4 out of a maximum of 7. That was a lot for me! 14 calls, 1 picture message sent, 1 text msg sent, 2 text messages rec'd, and 5 voicemails! As my employees would say "Mucho blah, blah, blah".
     
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  11. Jerro

    Jerro Bronze Senior Member
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    sounds interesting, so far. But check out the talk time and standbys on CDMA
    and GSM phones. GSM phones talk time and stand by spec's indicate more of each.
     
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  12. NYCDru

    NYCDru Sprint Newbie
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    Those two phones are rated for very simmilar talk times yet the Nokia's batery has three times the capacity. It makes sense thought. CDMA chipsets typically eat more power than GSM ones. Throw a Javas math app. at a CDMA phone versus a similar GSM phone and whatch the CDMA phone wip it out first every time. (This experiment has been tryed by the way.) ore powerfull processor + more load on processor = reduced talk time/Standby time.
     
  13. jones

    jones Silver Senior Member
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    GSM phones has longer battery standby and
    they Last longer than 2 years too.
    Most CDMA phones dies before 2 years.
     
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  14. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    I noticed on my TDMA phones that the batteries were worthless after 2 years. My V551 battery is 1 year old now and I have not noticed any drop in battery life since it was new.
     
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  15. ShoresGuy

    ShoresGuy Euer WA Experte in Europa
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    I get about 3 hours of talk time and 130 hours of standby on my PocketPC (MDA II) using the supplied 1200 mAh Li-On battery pack. One thing I like about the USB cradle is that the PPC charges via the USB cable without needing the AC adapter.

    My V525 gets more time out of the battery since its screen requires less power than the Pocket PC. Here I get about 6 hours (380 min) of talk time and close to 175 hours of standby.

    I don't use the phones that much to talk for a long time so the batteries normally last me close to a week without the need to recharge them too quickly.
     
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  16. Fire14

    Fire14 Easy,Cheap & Sleazy
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    Alot of that has to do with how the battery is made now vs then, now the batteries are Lithium and don't have the memory issues that the older batteries had, as well as the technology.

    I know with my Motorola the battery life is decent but nothing compared with my Nokia's, they would last 7 days without usage & a couple of days with low to moderate usage. This is another reason I am thinking about getting a 6102 excellent battery & Rf in a clamshell.
     
  17. viewfly

    viewfly Mobile RF Advisor
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    Getting data on the same phone is great. Here is my favorite spec for the GAIT 6340i that uses GSM/TDMA/AMPS:

    6340i Battery Life
    Extended Li-Ion Battery 900mAh
    -- Digital Talk Time up to 6 hours GSM / 4 hours TDMA*
    -- Digital Standby Time up to 25 days GSM / 14 days TDMA*
    -- Analog Talk Time up to 1.5 hours*
    -- Analog Standby Time up to 2days*


    I don't think I ever saw 25 days because the phone would go back and forth between GSM/TDMA. But I say 12 days for certain.

    If someone had data from the Sami A790 (GSM/CDMA) that would be interesting.

    From my side, with the GSM 6230 I nevered check standby time exactly. Mostly because it goes into my car charger/caddy every day. My wife's Moto 551 seems to last about 4 or 5 days, mostly on standby, but I will check this carefully.
     
  18. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    I had a Lithium battery in my StarTac and my V60t (At least I think I did - I'll double check tonight)
     
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  19. bobolito

    bobolito Diamond Senior Member
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    Let's enjoy it while we can. The tables will turn when UMTS comes around. ;)

    I think the first thing people will notice when switching from a GSM to a UMTS phone is the drop in battery life. When enough people have UMTS then the complaints will be quite noticeable. I'm sure all of you will remember reading this when it happens. ;)
     
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  20. ShoresGuy

    ShoresGuy Euer WA Experte in Europa
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    I think the people who'll be surprised ahead of everyone else are the ones who use their phones to watch TV over their UMTS phones. Some programs like RTL and n-tv (CNN Germany) can now be viewed over UMTS phones.
     
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  21. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    Well we are still a few years out from that point. Hopefully by then battery technology would have improved to the point that it won't be as noticable.
     
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  22. Gabriel

    Gabriel TICUS AD MORTEM
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    true...

    but i heard from some sources that the USA will skip UMTS and go directly to 4g, since 3g didnt turn out to be as good as everyone expected.

    how true is this? i hope it is
     
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  23. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    Cingular's already upgrading some markets to 3g.
     
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  24. Matt

    Matt Twin girls!
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    And they just launched their first UMTS/HSDPA market in Dallas today.
     
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  25. music4praise

    music4praise Senior Member

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    Signal strength is a huge factor--at least with cdma. When a new tower was put up near my house, my phone went from needing a recharge almost every day to lasting three to four days easily. As a point of reference I use about 600 minutes a month.
     
  26. NYCDru

    NYCDru Sprint Newbie
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    Intresting. And absolutly right. I should get more battery time than I do though at least i think. Mind you, I am a mobile web junkie. It is the ONLY way for me to check my email from about 7 am till 11 pm daily.
     
  27. Jay2TheRescue

    Jay2TheRescue Resident Spamslayer
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    Modern phones have a variable transmitter output. When they encounter strong signal the output is reduced. The worst for your battery is to be in a low or no service area because your transmitter is at full power constantly searching for a better signal.
     
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  28. bobolito

    bobolito Diamond Senior Member
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    Haha! I don't think so. I wouldn't trust those sources ever again. ;)
     
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  29. bobolito

    bobolito Diamond Senior Member
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    And that's the problem I see.....battery life keeps on decreasing and battery technology doesn't seem to improve. Manufacturers are simply adding on more and more stuff to phones but they are forgetting about the batteries. We're still using the same type of batteries that were used 5 years ago. GSM phones no longer enjoy the 5-day minimum standby battery life we used to have. Now, most modern GSM phones need to be recharged every couple of days because the cameras, color screens, MP3 players, video players, etc. are eating all the battery life.
     
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  30. ShoresGuy

    ShoresGuy Euer WA Experte in Europa
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    You mean gaiacomm?
     
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