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with higher speeds and lower latency than 4g lte 5g promises to be better for

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basically every mobile application whether it's watching hd video on the go

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getting critical real-time data to autonomous vehicles or just gaming while

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you're out and about without annoying lag but there's a catch so t-mobile

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reached out to sponsor a video where we're gonna talk about some of the

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obstacles getting in the way of certain 5g deployments because when you hear

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about 5g being as fast or maybe even faster than your home internet

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connection that's actually well true

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5g has been clocked at speeds in excess of one gigabit per second in the real

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world but in order to hit those speeds 5g relies on a segment of the wireless

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spectrum called millimeter wave it can also be blocked by pretty much anything

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think of the 2.4 gigahertz and 5 gigahertz bands on your home wi-fi

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access point they're both using the same generation of antenna and chipset

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technology but depending on which one you select they can have vastly

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different performance characteristics so if you're in the same room as your

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hotspot your five gigahertz is going to be way faster but by the time you go a

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couple rooms over on the other side of a concrete wall where your 2.4 gigahertz

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is still limping along you're probably lucky to have any 5 gigahertz signal at

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all so back to cellular then the principle is basically the same

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5g is just a term that describes the latest generation of cellular

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transmission and receiving equipment so t-mobile equipped us with a device from

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one of their competitors and challenged us to see just how easy it is to drop a

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millimeter wave 5g connection

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all right so we found a wild 5g hotspot in bryant park we're going to go ahead

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and do a quick speed test here uh we've got line of sight to it on the

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top of that building and we are getting some pretty rocking

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download speeds here guys check this out

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800 megabit per second

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this is working basically exactly as we'd expect millimeter wave 5g to work

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it's super super fast but that's also in very close proximity to

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the tower and with no obstruction let's try another test with

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just myself myself in between

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not bad now that's faster than 4g

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but we did knock off over 150 megabit per second the thing

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though is that in this case i was even able to keep my 5g connection the

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problem is that even the smallest obstacles if they're larger than this or

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if you don't have a convenient surface for the signal to bounce off of can

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utterly block your millimeter wave 5g

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and drop you right back down to 4g lte so let's go try out a bunch of different

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scenarios where ultimately 5g can be

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easily blocked by the most innocuous things

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yesterday we had a 5g signal here when colton was checking and now there's

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none i need a 5g6

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dying oh my god where is it

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still nothing this is a terrible terrible early

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adopter experience come on 5g

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oh i got it i got it boom there it is see that okay you ready

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now follow me back over da da da da

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and it's gone it's myself

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maybe if i move out from the sidewalk a bit

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oh my god i had a 5g signal dennis you ruined everything you got to be kidding

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me how to drop your millimeter wave only 5g connection

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uh excuse me sir can you yeah thanks

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gotta get my 5g here how to block your

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millimeter wave only 5g connection just move

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under an umbrella it's gone just like that it's just gone

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no more 5g you want your 5g back you got it you got to get out from under the

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umbrella sorry guys and give it a hot minute

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maybe turn your data back on and off there you go all right it's great it's

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good experience

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and it's gone

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and it's gone 4g

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and there it goes it's gone

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how easy is it to drop a millimeter wave only 5g connection

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well you don't even have to make it all the way into the subway let's see how

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many steps this takes one

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two three four

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five six seven

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and we're done we're done bud all right all right so

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you guys get the point now it's time to answer the question that surely everyone

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has on their mind right now what exactly is t-mobile doing sponsoring videos

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about how millimeter wave 5g has terrible terrible reception issues

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isn't t-mobile also planning to deploy millimeter wave 5g because yes

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yes in fact they are i mean when i first talked to them about this i was like

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i'm sorry what well as it turns out they're planning a very different 5g

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strategy compared to some of their competitors the goal is to use a

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combination of the low and high band frequencies that they already own along

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with the mid band frequencies that they're hoping to acquire through the

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sprint merger in early 2020 in order to

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hit that perfect trifecta of both high

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speeds and great coverage and they're doing it now t-mobile's 5g network is

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rolling out in over 5 000 u.s cities and

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thanks to their low band towers it'll even work

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indoors to learn more about what t-mobile's doing in the 5g space guys

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check out the link in the video description thanks to t-mobile for sponsoring this video and thanks you

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guys for watching it