If your going for Nlos I would try and stay away from 120. Even Ubnt will tell you they don't like 120
On Tue, Feb 23, 2016 at 3:02 PM Mathew Howard <[email protected]> wrote: > Yeah, looking at the pattern in the spec sheet for the Cambium antenna, it > looks to be about -10db at 120. > > On Tue, Feb 23, 2016 at 1:46 PM, George Skorup <[email protected]> wrote: > >> All I have used is the Laird OEM antenna as well. The null-fill is nice. >> It is definitely a -6dB 90/-3dB 65. I have found that it rolls off sharply >> beyond 90. >> >> Cambium claims >32dB F/B ratio. I know Mark @ Amplex has mentioned this >> before, short range SMs (like 1/2 mile or so) seem to get crappy downlink >> SNR. They are apparently hearing the opposite sector on the same frequency >> which points to the F/B ratio. I have seen this as well. I actually put up >> a post on the Cambium community about it last night. >> >> On 2/23/2016 12:24 PM, Kurt Fankhauser wrote: >> >> Sean, >> >> Really? I was told the 90 degree cambium sector was actually a 65 degree >> sector so you using it at 120 degrees? I would assume there is at least a >> 6db difference between the center of the beamwidth and the outer edges at >> 120 degrees. >> >> On Tue, Feb 23, 2016 at 12:50 PM, Sean Heskett <[email protected]> wrote: >> >>> I've only used the cambium one...works great. >>> >>> You can actually use it as a 120* sector if you need to, you just loose >>> 3db more than at the 90* point. >>> >>> >>> >>> On Tuesday, February 23, 2016, Kurt Fankhauser < >>> <[email protected]>[email protected]> wrote: >>> >>>> Has anyone used all three of these antenna choices for PMP450/3.65ghz ? >>>> >>>> - KP 120 degree 3.65ghz slant sector >>>> - Cambium Stock 90 degree 3.65ghz slant sector >>>> - Alpha Wireless 120 degree 3.65ghz slant sector >>>> >>>> And what was your thoughts on all of them? Did any perform worse or >>>> better than the other? >>>> >>>> >>>> >> >> >
