We have a couple APs on SuperStingers and probably a hundred SMs on them
as well. F/B doesn't seem to be much of an issue. We only do 900 in
horizontal because the band is cluttered with v-pol SCADA.
By far the best performing 900 sectors are Til-Teks, but they are big
and expensive. We've been using the KP 120's for a long time and while
they don't have the greatest rear lobe suppression, they are much
smaller and lighter. We have four doing ABAB on lots of sites, and many
of those are just Rohn 25, so obviously the less weight and wind load
the better.
On 5/11/2015 6:59 AM, Christopher Gray wrote:
I'm looking for recommendations for high-gain patch antennas to be
used with PMP100 900 MHz gear. I have a tight grouping of potential
customers that could be covered with a beam-width of only 15 degrees
(I'm not trying to go that tight, just mentioning it). I figure I'd
use the same antenna for the AP as well as the SMs.
These are ones that caught my eye:
* Super-Stinger: 13.5 dBi, FtB 15 dB, VSWR ?, 39 deg
* KP-900-13-45: 13 dBi, FtB 25 dB, VSWR 1.5, ? Deg
* ARC Wireless ARC-PA0913B01: 12.5 dBi, FtB 25 dB, VSWR 1.5, 42 deg
* Laird Technologies R2T9-12: 12 Dbi, FtB 21 dB, VSWR 1.5, 45 deg
The list is in order of stated gain. The Super-Stinger is the highest
gain unit I've seen, but I don't like how low the stated front-to-back
noise radio is. Also, I like the ability of the others to be rotated
to change polarity if necessary.
I've read good things about the M3 and KP yagis, but in New England we
do get icing every year. I'm hesitant to install a yagi and have
dropped services next winter.
So,are there any good reasons to pick one of these over any other? Are
there any good reviews or recommendations for high-gain patch antennas?
Thanks - Chris
