[Cerowrt-devel] Fwd: Announcing New airFiber24HD

Outback Dingo outbackdingo at gmail.com
Thu Dec 18 10:10:23 EST 2014

On Thu, Dec 18, 2014 at 9:49 AM, David Lang <david at lang.hm> wrote:
> *15.9 bps/Hz* Spectral Efficiency.
>  If they're using phase encoding or similar, that's pushing the ragged
>> edge I
> think.  Won't take much dip in the S/N before that comes back to bite you
> on the tookus,
> They support many encoding schemes, and will use all channels in each
> direction. As conditions degrade, the speed will slow.
> The top speed is using 1024-QAM modulation, it will then fall back to
> 256-QAM (which is the top that 802.11ac will use), and then to 64-QAM
> (which is the top of 802.11n)
> This has far more in common with old fashioned microwave links than Wi-Fi
Hey Dave,    found this.... :)

> David Lang
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