I’m shocked, shocked …

 



 

From: AF <af-boun...@af.afmug.com> On Behalf Of Mathew Howard
Sent: Wednesday, February 26, 2020 9:14 AM
To: AnimalFarm Microwave Users Group <af@af.afmug.com>
Subject: Re: [AFMUG] [ External ] Re: Cambium LTE

 

It's a 5-6db increase, if I remember correctly, so that could certainly be 
enough to make the difference in a lot of cases.

 

Of course there's also the fact that half of the people running Baicells radios 
with sectors are probably already running (illegally) at that power level 
anyway...

 

On Wed, Feb 26, 2020 at 7:50 AM Mike Hammett <af...@ics-il.net 
<mailto:af...@ics-il.net> > wrote:

Is the CBRS power that much higher where a 450 at CBRS power makes up for the 
lack of nLOS capability as compared to LTE on NN?

 

Obviously LTE at CBRS power would be that much better, but maybe it's a good 
fit where people need just a little more nLOS capability than 450 provides and 
the extra power gets that for them.



-----
Mike Hammett
 <http://www.ics-il.com/> Intelligent Computing Solutions
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<https://www.linkedin.com/company/intelligent-computing-solutions>  
<https://twitter.com/ICSIL> 
 <http://www.midwest-ix.com/> Midwest Internet Exchange
 <https://www.facebook.com/mdwestix>  
<https://www.linkedin.com/company/midwest-internet-exchange>  
<https://twitter.com/mdwestix> 
 <http://www.thebrotherswisp.com/> The Brothers WISP
 <https://www.facebook.com/thebrotherswisp>  
<https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> 





  _____  


From: "Matt Mangriotis via AF" <af@af.afmug.com <mailto:af@af.afmug.com> >
To: "AnimalFarm Microwave Users Group" <af@af.afmug.com 
<mailto:af@af.afmug.com> >
Cc: "Matt Mangriotis" <matt.mangrio...@cambiumnetworks.com 
<mailto:matt.mangrio...@cambiumnetworks.com> >
Sent: Tuesday, February 25, 2020 3:59:25 PM
Subject: Re: [AFMUG] [ External ] Re:  Cambium LTE

I completely understand your skepticism Ken. However, Cambium did design the 3 
GHz 450m with every intention of being able to support a transition to LTE 
(specifically, as a RRH with cnRanger). The intent is for this device to be a 
fully capable 8x8 MU-MIMO. Yes, you’ve got that right though, you’ll need new 
CPE devices and a BBU for each sector.

 

We don’t have a target date when this will be developed yet… right now, we’re 
focused on getting the cnRanger CBRS 2x2 RRH and High Gain Cat 6 CPE devices 
out in August!

 

With respect to NLOS coverage, I will agree that 450 is not quite on par with 
some of the things that LTE brings to the table (regarding range and the 
ability to maintain the downlink). However, with the increased power limits of 
CBRS, the 450m does an admirable job. In fact, in comparing equipment cost and 
performance, I would suggest that the 450 platform outperforms anything out 
there. That is, it’s less expensive to get bandwidth where it needs to be (at a 
higher rate, and to more customers). If the customer density can support the 
cost of cnMedusa, you’re going to be better off from total cost of ownership 
(both CapEx and OpEx) perspective.

 

The new 3GHz 450b High Gain has 29 dBm Tx Pwr, and a 20 dBi dish integrated 
antenna… this is pretty impressive for CBRS CPE equipment (most of the high 
gain/high power LTE stuff I see is only going to be 23 dBm Tx, plus 15 dBi 
antenna).

 

There are several customers out there that have done these comparisons… 
hopefully, they can chime in.

 

Matt

 

From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> > On Behalf 
Of Ken Hohhof
Sent: Monday, February 24, 2020 7:06 PM
To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com 
<mailto:af@af.afmug.com> >
Subject: [ External ] Re: [AFMUG] Cambium LTE

 

You should probably talk to someone at Cambium, unless someone here has already 
done that.  There was talk 1-2 years ago about 450m is software defined so 
maybe they could use it as a remote radio head with their cnRanger LTE BaseBand 
Unit (BBU).  It has been pretty quiet since then, but I haven’t been able to 
make it to the shows.

 

Without an update directly from the horse’s mouth like Matt at Cambium, or some 
kind of announcement, I wouldn’t hold my breath.  Back in 2018 it was in the 
realm of “it would be nice”.  That’s pretty tentative.  Plus you’d still have 
to buy the BBU and new CPE, so it doesn’t sound like a huge savings anyway, 
still 2/3 of a forklift upgrade.  I mean, if it turned out that the 3 GHz 
cnRanger RRH was literally a 450m, that would probably be the best case, but 
how likely do you think that is?

 

This is just my personal speculation, if it’s an important part of a decision 
you’re making now, you probably need to get hold of your Cambium regional sales 
manager, or the 450 or cnRanger product manager.  If you’re going to 
WISPAmerica, you can probably do it there.

  

 

From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> > On Behalf 
Of Jason McKemie
Sent: Monday, February 24, 2020 6:03 PM
To: AnimalFarm Microwave Users Group <af@af.afmug.com <mailto:af@af.afmug.com> >
Subject: Re: [AFMUG] Cambium LTE

 

So the 450M is supposed to be LTE upgradable?

 

On Mon, Feb 24, 2020 at 3:45 PM Steve Jones <thatoneguyst...@gmail.com 
<mailto:thatoneguyst...@gmail.com> > wrote:

Something aboit the medusa top can be used with cnranger potentially with a 
fiber run and a software update

 

On Mon, Feb 24, 2020, 3:38 PM Adam Moffett <dmmoff...@gmail.com 
<mailto:dmmoff...@gmail.com> > wrote:

In my opinion, 450 is better than Baicells or Telrad LTE at everything except 
NLOS performance.  

....Except that NLOS performance is so useful that one can be tempted to ignore 
all of the other features of the 450.  I do understand that tradeoff because 
I've had to make it myself.

 

On 2/24/2020 4:30 PM, David Williamson wrote:

450 3.65Ghz vs. Baicells 3.65Ghz LTE = no comparison.  All but one of the 450 
APs are already removed from our network.  I am just trying to determine if the 
SMs will be usable on Cambium LTE once they roll it out, or if it will require 
a completely different SM.


David

 

From: AF [mailto:af-boun...@af.afmug.com] On Behalf Of Jason McKemie
Sent: Monday, February 24, 2020 4:28 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Cambium LTE

 

Why are you getting rid of 3.65 Cambium in favor of LTE?

On Monday, February 24, 2020, David Williamson 
<dwilliam...@customcomputersva.com <mailto:dwilliam...@customcomputersva.com> > 
wrote:

Will the Cambium 3.65 LTE have a completely new SM or will it use the existing 
450SM's?  Trying to determine if I should keep our 450SM's or just go ahead and 
sell them to one of our secondary market distributors along with our 450 AP's.

Thanks!

David Williamson


-----Original Message-----
From: AF [mailto:af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> ] On 
Behalf Of Adam Moffett
Sent: Monday, February 24, 2020 1:57 PM
To: af@af.afmug.com <mailto:af@af.afmug.com> 
Subject: Re: [AFMUG] Cambium LTE

I think I heard next quarter for the 3.5.

On 2/24/2020 1:48 PM, Jeff Broadwick - Lists wrote:
> 3.5 isn’t available yet.
>
> I believe that 2.5 can be purchased.
>
> Jeff Broadwick
> CTIconnect
> 312-205-2519 Office
> 574-220-7826 Cell
> jbroadw...@cticonnect.com <mailto:jbroadw...@cticonnect.com> 
>
>> On Feb 24, 2020, at 12:44 PM, Avatar Davis <acd...@mail.harvard.edu 
>> <mailto:acd...@mail.harvard.edu> > wrote:
>>
>> Does anyone have experience with Cambium LTE? I am highly dissatisfied with 
>> my current manufacturer and was wondering if anyone had experience 
>> using/demoing their product line. Cambium products seem consistently good in 
>> my experience.
>>
>>
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