Thanks Mick.

Another round of gunzel speculation suitably laid to rest!

Mal

On 15/10/2020 16:26,mick...@... wrote:
> Here is a photo of the "guts" of one of these devices. It is a

> Bluetooth tag - https://www.bluecats.com/product/bc313-tag/

>

> I have heard, but can't confirm, that they are used for something far

> more mundane than vehicle tracking or announcement triggering - to

> allow the contractors who clean the stops and replace timetables etc

> to log where they have been.

>

>