[Battlemesh] What hardware still works?

Laurent GUERBY laurent at guerby.net
Thu Feb 25 11:34:32 CET 2016

On Thu, 2016-02-25 at 00:28 +0100, Juliusz Chroboczek wrote:
> > How much would everyone trust these off-brand Chinese models like the
> > one linked above
> Adam,
> Daniel will correct me if I say something stupid, but I think you're not
> looking at the right hardware.  You don't want .11ac devices, at least not
> yet.  .11ac doesn't bring any range improvements, and only marginal
> improvements in spectral efficiency.  (.11ac improves throughput by using
> up huge amounts of radio spectrum, which is not something you want in
> a dense urban environment.  While MU-MIMO looks interesting, I'm not sure
> it's supported in meshes.)


Do you have any relevant data to back "only marginal
improvements in spectral efficiency"?


On 40 MHz channels we do about x1.5+ in PC-radio-radio-PC measured TCP
bandwidth between n and ac, both in lab and in real links with Ubiquity



> What you want, at least until the OpenWRT driver situation clarifies, is
> a good .11n device with two or three radios and known-good OpenWRT drivers
> (ath9k rocks).  Make sure that the radios are not connected internally
> over something reasonable like PCI or PCIe, not USB or SDIO.  Gigabit
> Ethernet is a welcome plus since you'll doubtless end up either wiring
> some parts of your netowkr or tunnelling over the public Internet.
> (The aging RouterStation Pro rocks.  No, I'm not selling mine.)
> -- Juliusz
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