[chbot] CovidCard implementation - how expensive should it be to manufacture 1M of them?

Charles Manning cdhmanning at gmail.com
Sat Jan 30 07:09:21 GMT 2021

You don't need a 100% success rate in the comms.

Unless someone is coughing straight in your face you need a reasonably long
time in the location with an infected person - at least a few minutes - to
pick up sufficient viral loads.

Any reasonable BLE system will be able to discover beacons  within a few
seconds. You only need to get a small % of beacons to achieve that.

Still, a cellphone based BLE app makes more sense - people don't leave
their phones behind and they keep the battery charged.

The biggest hassle is still trying to roll out a million of these, keep the
firmware up to date and all that.

Logistics kills many otherwise reasonable ideas.

On Mon, Jan 25, 2021 at 11:36 AM Volker Kuhlmann <list57 at top.geek.nz> wrote:

> On Mon 31 Aug 2020 12:57:06 NZST +1200, Charles Manning wrote:
> [...]
> There's more background info about the non-covidcard trial here,
> and a blurry photo of the PCB with the chips:
> https://www.stuff.co.nz/business/opinion-analysis/124015157/wed-be-getting-covidcards-now-if-ministers-made-different-decision-in-august
> The author says the card's engineer Dean Armstrong had all the answers
> asked of him. Hmm. Anyone interested to find out from either? But I have
> a feeling that the technology itself is unable to provide close to the
> 100% success rate that would be desirable, ignoring all other usability
> issues.
> Volker
> --
> Volker Kuhlmann
> http://volker.top.geek.nz/      Please do not CC list postings to me.
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