99% of the time it will be at max modulation. Offering lots of cheaper 
bandwidth compared to cellular hotspots fits many wisp business models...

-Jon

> On Oct 28, 2014, at 6:22 PM, Eric Kuhnke via Af <af@afmug.com> wrote:
> 
> yeah, 2048QAM, but what is your fade margin from the threshold required to 
> run at 2048QAM vs. when it will step down to 256QAM and no longer be a 1 Gbps 
> radio?
> 
> If I recall right an IP20C requires an RSSI of something like -57.5 to 
> operate at 2048QAM and will become a 256QAM radio at -63 or thereabouts. Not 
> much fade margin. Not something you can reliably predict as a five nines true 
> 1Gbps link pretending to be a fiber patch cable between two routers. 
> 
> Unless you're running it at sub-4km distances with 60cm size antennas and the 
> normal RSL is -35.0....
> 
> 
> 
>> On Tue, Oct 28, 2014 at 5:40 AM, Caleb Knauer via Af <af@afmug.com> wrote:
>> We just put up a Ceragon IP20c link last week, 3.5 miles, one 60Mhz
>> frequency pair, 1030Mbps full duplex using 2048QAM, uses two cores
>> (same frequency) in a single FODU chasis and a combiner on the
>> antenna.  Looks like any other single FODU install, very clean.  Not
>> inexpensive however.
>> 
>> On Tue, Oct 28, 2014 at 7:02 AM, Matt Jenkins via Af <af@afmug.com> wrote:
>> > Cambium PTP820c
>> > Exalt ExtremeAir
>> >
>> > Both will give you 1gig in a single radio.
>> >
>> > Matthew Jenkins
>> > SmarterBroadband
>> > m...@sbbinc.net
>> > 530.272.4000
>> >
>> > On 10/27/2014 03:25 PM, Peter Kranz via Af wrote:
>> >>
>> >>
>> >> Has anyone shopped full Gig licensed links lately, which is the best
>> >> bargain?
>> >>
>> >> *Peter Kranz
>> >> *Founder/CEO - Unwired Ltd
>> >> www.UnwiredLtd.com <http://www.unwiredltd.com/>
>> >> Desk: 510-868-1614 x100
>> >> Mobile: 510-207-0000
>> >> pkr...@unwiredltd.com <mailto:pkr...@unwiredltd.com>
>> >>
>> >
> 

Reply via email to