I also thought that UBNT also measured their antennas differently than
most everyone else? But I believe they did so to give better numbers
than competitors, which would actually give worse numbers to the cpe's
in the field? Just saying that 13 ubnt does not equal 13 with anyone else?
Best,
Robert
On 04/26/2019 09:21 AM, Matt Corcoran wrote:
The omni radiation patterns are not perfectly round. Maybe the
Ubiquiti antenna was pointed optimally at them while the new antenna is
not, or is better rounded.
Also the gain varies within the frequency range. Old antenna might have
been target more towards wifi, while the other might be targeted more
for 2.5/2.6ghz BRS/EBS LTE.
Both should have graphs so you can see the differences.
*Matt*
*From: *AF <[email protected]> on behalf of Jay Weekley
<[email protected]>
*Reply-To: *AnimalFarm Microwave Users Group <[email protected]>
*Date: *Friday, April 26, 2019 at 12:12 PM
*To: *AnimalFarm Microwave Users Group <[email protected]>
*Subject: *[AFMUG] Customer signal issues: UBNT versus KP Performance
2.4 omni's
After a storm we noticed that customer signal levels dropped a lot on a
2.4 GHz omni. Especially the received signals on the AP. Water had
gotten in so we replaced the omni, radio and the connectors and the
signal levels were better but didn't return to their original levels and
are still about 5 db lower than they were before the storm. The original
omni was a Ubiquiti AMO-2G13 and was replaced with a 13 dBi
KPPA-2GHZ-DPOMA-WC-2.
The Ubiquiti antenna has 2 degrees of downtilt versus 1 with the KP
Performance antenna. Would this be enough difference to cause the
problem? What else could it be?
Here are the antenna data sheets:
KP Performance antenna.
https://streakwave.com/mmSWAVE1/Video/amo_ds_20170106.pdf
<https://streakwave.com/mmSWAVE1/Video/amo_ds_20170106.pdf?fbclid=IwAR2W3cHhzAJtt2pIxOoqbWsgj0_UwOTjfpCXi5QhKf8llEoJ0KchQtVBy7g>
Ubiquiti antenna
https://www.streakwave.com/…/KPPA-2GHZ-DPOMA-WC-2_datasheet…
<https://www.streakwave.com/mmSWAVE1/Video/KPPA-2GHZ-DPOMA-WC-2_datasheets_US.pdf?fbclid=IwAR3Fffk8DlLf21wvYH_eidyLy2ndaZe-qhb_17LBVF_NGz7OEla1dp5a1_E>
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*Jay Weekley*
*Cyber Broadband
*
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