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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