Epmp is like 6 dB less power?

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Jun 6, 2016 10:47 AM, "Mathew Howard" <[email protected]> wrote:

> The only direct comparison I've seen with the same antennas at the AP was
> the one Jerry Head mentioned here... and he wasn't able to confirm that TX
> power was the same.
>
> The other thing that I'm wondering about is if the fact that the Cambium
> sectors are dual slant instead of H/V has something to do with it.
>
> On Mon, Jun 6, 2016 at 8:43 AM, Ken Hohhof <[email protected]> wrote:
>
>> Someone asked whether the xmt power was apples-to-apples, has that been
>> answered?
>>
>> If the antennas are comparable, it would seem the only explanations for
>> different rcv signal would be xmt power, or calibration error.
>>
>>
>> *From:* Chuck McCown <[email protected]>
>> *Sent:* Monday, June 06, 2016 8:18 AM
>> *To:* [email protected]
>> *Subject:* Re: [AFMUG] PMP450 vs. ePMP
>>
>> I think if I was cambium, I would have a couple of guys on a plane or in
>> a car with a suitcase of equipment to visit you in the field.
>> This was not the intended or expected outcome for that product.
>>
>> *From:* Josh Luthman <[email protected]>
>> *Sent:* Sunday, June 05, 2016 8:17 PM
>> *To:* [email protected]
>> *Subject:* Re: [AFMUG] PMP450 vs. ePMP
>>
>>
>> Never really left.  I would have to lose customers with epmp 2.4 wifi due
>> to lack of signal.
>>
>> Josh Luthman
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>> On Jun 5, 2016 10:12 PM, "Paul McCall" <[email protected]> wrote:
>>
>> So you went back to UBNT in 2.4?
>>
>>
>>
>> *From:* Af [mailto:[email protected]] *On Behalf Of *Josh Luthman
>> *Sent:* Sunday, June 5, 2016 9:57 PM
>>
>> *To:* [email protected]
>> *Subject:* Re: [AFMUG] PMP450 vs. ePMP
>>
>>
>>
>> No.  I have no pmp450 in my network simply due to cost.
>>
>>
>>
>>
>> Josh Luthman
>>
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>>
>>
>>
>> On Sun, Jun 5, 2016 at 9:48 PM, Paul McCall <[email protected]> wrote:
>>
>> Josh,
>>
>>
>>
>> Have you tried 450 2.4 in the exact situation where ePMP 2.4 “sucked”?
>>
>>
>>
>> *From:* Af [mailto:[email protected]] *On Behalf Of *Josh Luthman
>> *Sent:* Thursday, June 2, 2016 5:10 PM
>> *To:* [email protected]
>> *Subject:* Re: [AFMUG] PMP450 vs. ePMP
>>
>>
>>
>> No...it's not.  The EPMP 2.4 radios just suck at penetration.  I've done
>> Ubnt KPP and IT Elite - they all performed terribly.
>>
>>
>>
>>
>> Josh Luthman
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>>
>>
>>
>> On Thu, Jun 2, 2016 at 4:59 PM, CBB - Jay Fuller <
>> [email protected]> wrote:
>>
>>
>>
>> hmm, i will check into that. Pretty sure with ubnt we're using kp
>> performance.  With epmp, i think it is bundled antennas...
>>
>>
>>
>> ----- Original Message -----
>>
>> *From:* Ken Hohhof <[email protected]>
>>
>> *To:* [email protected]
>>
>> *Sent:* Thursday, June 02, 2016 3:50 PM
>>
>> *Subject:* Re: [AFMUG] PMP450 vs. ePMP
>>
>>
>>
>> Jay, I suspect the difference you are seeing may be mainly in the
>> antennas.  2.4 GHz from any vendor should penetrate the same, the radio
>> waves don’t care what brand radio launched them.  And I think the
>> difference between the platforms will be most evident in low interference
>> environment where they can achieve their full modulation and throughput.
>> With low SNR, I think it’s kind of like arguing Ferrari vs Porsche for off
>> road racing, neither will be able to show off its capabilities.  Receiver
>> sensitivity and bits/sec/Hz won’t matter.
>>
>>
>>
>>
>>
>> *From:* CBB - Jay Fuller <[email protected]>
>>
>> *Sent:* Thursday, June 02, 2016 3:28 PM
>>
>> *To:* [email protected]
>>
>> *Subject:* Re: [AFMUG] PMP450 vs. ePMP
>>
>>
>>
>>
>>
>> Also interested in interference rejection of the pmp450  - is there any
>> (in 2.4)
>>
>> we are getting better foliage penetration with ubnt 2.4 than epmp 2.4 - -
>> and from the performance of
>>
>> the epmp 2.4 i wish wish wish it penetrated better!
>>
>>
>>
>> ----- Original Message -----
>>
>> *From:* Matt <[email protected]>
>>
>> *To:* [email protected]
>>
>> *Sent:* Thursday, June 02, 2016 2:25 PM
>>
>> *Subject:* [AFMUG] PMP450 vs. ePMP
>>
>>
>>
>> We have mostly PMP100 and PMP450 deployed.  Some Ubiquiti we tried and
>> some we inherited as well.  Have some ePMP we have tested but so far
>> have not deployed more then couple test links.
>>
>> For those who have tried both ePMP and PMP450 what are the differences
>> you have seen in performance?  Interference tolerance among others?
>>
>> For those that have gone with PMP450 over ePMP what was the reasoning?
>>
>>
>>
>>
>>
>>
>

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