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What's in the Box? Oh, oh, oh, it's Magic.


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Tim Yu

Sprint 4G Rollout Updates

May 19, 2017 - 8:30 AM PDT

 

The Sprint Magic Box was announced on Sprint's quarterly earning call earlier this month, and was heralded as the first truly all wireless small cell in the industry. So what is this mystical beast that is purported to increase coverage by up to 30,000 square feet, amplifies data speeds, and "boosts" your data signal?

This is the 1st Generation Sprint Magic Box

 

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In more technical terms, the Magic Box is an Airspan product under their Airunity line. The black colored model that exists in the wild, and which I procured contains the Airspan Airunity 540 small cell eNB. Whereas the white colored Magic Box advertised by Sprint is a newer model that contains the Airspan Airunity 545 small cell eNB. The primarily difference is that the unreleased white Magic Box is able to broadcast at twice the transmit power compared to the black model which results in substantially increased coverage area in addition to the LTE UE Relay Module having HPUE capability.

These are all wireless small cells as there is no requirement of a wired backhaul solution like traditional Femto cells like the pending Sprint Airave 3 LTE, Commscope S1000, or the T-mobile LTE Cellspot.

Instead, the Magic Box (MB) utilizes a technology called LTE UE Relay that is integrated into the overall package. The Magic Box contains an Airunity LTE B41 2500 MHz small cell and a LTE UE Relay device called the ninja module whose only job is to establish a data link to a macro eNB LTE 1900 or 2500 MHz signal and then feed a data connection to the Airunity small cell.

For more on LTE UE Relay: see here

Once the Relay link is connected and data flows to the Airunity eNB, a new LTE 2500 MHz signal is then created and broadcasted from the unit. This signal is unique to the Magic Box and is available to use by any compatible Sprint device that can access the LTE Plus (2500 MHz LTE B41) network.

Unlike a repeater setup, the Magic Box does not simply take an existing signal and amplify it and all the accompanying noise and interference. This is a brand new and very clean LTE signal being broadcasted.

The following screenshot from Network Signal Guru app displays this clearly.

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The Magic Box in my location broadcasts a brand new LTE carrier with frequency located on EARFCN 40270 (2558 MHz) while the macro donor eNB signal of 40978 (2628 MHz) is used as backhaul (LTE Band 25 1900 MHz can also be used).

[As of July 2017, the Magic Box had its LTE carrier center frequency switched to 2518.4 MHz or EARFCN 39874. Signal Check Pro screenshot]

This means, instead of a weak edge of cell LTE signal with the accompanying band switching that substantially impact device stand by times and I may lose deep inside the building, a Magic Box allows a Sprint device to connect to a strong and clean LTE 2500 MHz signal which blankets the formerly weak LTE coverage area.

As a side effect, LTE speeds may also be dramatically increased due to the better signal level and quality being broadcasted by the MB whose LTE Relay Module can connect to what may have been previously an unusable 2500 MHz network. Especially when placed by a window as recommended.

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Album of Screenshots

Personal Experience

In my more than one month of observations using the Magic Box, I was able to connect to a LTE 2500 MHz signal from inside a suburban family residential building where such a signal was previously unusable. Furthermore, not only did the Magic Box boost the data signal from weak edge of cell service with consistent frequency swapping that had previously killed our devices battery life, but it also increased the LTE data speeds substantially to the tune of 200-300% over what we were previously getting over LTE 800 and 1900 MHz.

Whereas previously the house was a weak coverage area where LTE 800 MHz was predominant with even parts dropping to EVDO 3G, the new LTE signal broadcasted by the MB covers the entire house and then some through multiple interior walls and even an exterior brick wall before handing over back to the macro network.

So what's my view on the Magic Box?

It can't come soon enough for more people to use and enjoy.

  • Like 30

32 Comments


Recommended Comments



crazy_vag

Posted

Great article.  Any idea how Voice is handled?  Does the Magic Box provide 1x Voice via 800, 1900 or does voice have to fall back to the tower?

nexgencpu

Posted

Great article.  Any idea how Voice is handled?  Does the Magic Box provide 1x Voice via 800, 1900 or does voice have to fall back to the tower?
It's Data only.
  • Like 2
S4GRU

Posted

It's Data only.

 

For now.  It will become voice too when VoLTE goes live.   ;)

  • Like 5
nexgencpu

Posted

 

For now.  It will become voice too when VoLTE goes live.   ;)

True, and as you have mentioned before, this might be the device that accelerates its (VoLTE) deployment.

  • Like 3
shannonbrian

Posted

Are they launching this by market or full nationwide soon.

jakeuten

Posted

Are they launching this by market or full nationwide soon.

It's done on a person-by-person basis.

  • Like 1
jefbal99

Posted

Do existing Airrave users have any priority?

lilotimz

Posted

Do existing Airrave users have any priority?

 

No.

 

Priority for airave 3? Yes.

  • Like 1
645824

Posted

Great photos!


 


I had posted the following info on the Central Valley Market thread.  lilotimz pointed me to this thread.


 


--------------------------------------------


 


The Sprint Magic Box is made by AirSpan.  It is their AirUnity product:


 


http://www.airspan.com/airunity/


 


And here is a little more detailed info, including photos of the bottom of the unit:


 


https://fccid.io/doc....php?id=3281384


 


https://fccid.io/PIDAU545ENB25


 


It says that it is 2.506-2.68 GHz and 596 mW.  That's 27.8 dBm and LTE Band 41.


 


And here is the AirUnity (Sprint Magic Box) FCC Label:


 


https://fccid.io/doc....php?id=3281386


 


And details on the antenna (it appears to be a grid of 6 antennas; presumably a MIMO configuration):


 


https://fccid.io/doc....php?id=3281378


 


 


There appear to be 6 U.FL connectors for the antennas.  And 9 dBi isn't too bad...


 


The power draw says 4.3 Volts at 2 Amps.  That is a lower voltage than I would have guessed for this kind of box...


 


 


The User's Manual and internal photos will be available from that site in August 2017.


 


Scott

  • Like 4
Galaxyguy

Posted

Has anyone actually received one or have been contacted by Sprint yet? I signed up for one the day after the announcement and haven't heard anything yet. 

645824

Posted

I haven't received mine yet. According to Sprint (Andrew S.) this morning, the Sprint Magic Boxes aren't shipping yet.  He couldn't tell me where I was in the queue, nor what the prioritization was.

 

Scott

iansltx

Posted

Got called up today to be told that my Pixel didn't support B41. I argued otherwise, something to the effect of "I've had three generations of B41-capable phones, and my current one supports B41 + CA thankyouverymuch". After a few minutes on hold, the rep told me that they'd send a second-gen unit out in several (6-8 I think?) weeks. :D

  • Like 1
CowboyRon

Posted

Has anyone actually received one or have been contacted by Sprint yet? I signed up for one the day after the announcement and haven't heard anything yet. 

I received a call on May 12th, and the lady told me it would be about 6-8 weeks.

jefbal99

Posted

I got an email that my request is being evaluated.

NightShift

Posted

 

For now.  It will become voice too when VoLTE goes live.   ;)

Apparently is has become voice already, just not VoLTE... 

 

The answer to the first question of the Magic Box FAQ https://www.sprint.com/content/Sprint/sprint_com/us/en/shop/services/magic-box/status.html#faqs

refers you to the Sprint Calling PLUS web page https://www.sprint.com/content/Sprint/sprint_com/us/en/shop/services/wi-fi-calling.html#calling-plus

which states "Calling PLUS combines Sprint’s Wi-Fi Calling capabilities with the ability to use the LTE data network for calls." 

 

Looking at the Calling PLUS FAQ https://www.sprint.com/content/Sprint/sprint_com/us/en/support/solutions/services/faqs-about-calling-plus.html, the fifth question is "Is Calling PLUS the same as VoLTE (Voice over LTE)?", which is answered "No, the current Calling PLUS solution provides VoIP capabilities using the Sprint LTE network."

  • Like 1
itsrobert

Posted

Got a call on Thursday July 13, to verify shipping info.  Looks like it is on the way.  No tracking number.

  • Like 1
jordanlong20

Posted

Got a call yesterday to verify shipping info.

 

I was told they expect to start shipping out in about 8 weeks. I did not ask where in the queue I was. 

CowboyRon

Posted

i just got an email today from Sprint saying I should receive my Magic box in 2-3 weeks.

CowboyRon

Posted

The magic box came in today while I was at work and she set it up. She has reported that everything is 5 bars on LTE. I will give an update tomorrow on the speed test when I get home tonight.

  • Like 3
itsrobert

Posted

My shipment arrives tomorrow. (8/22/2017)   2 day Air UPS Currently in Louisville waiting for the flight tonight to San Diego or maybe Ontario. 

bigrobstunner

Posted

Got my Magic Box about a week ago - set it up and it wouldn't provision in any window I put it in.  Called last night, entered a ticket.  Got a call back today saying I'm not in a Magic Box area and never should have been sent one.  This make me sad.....

  • Confused 1

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