Shopping centre uses mobile phone data to "monitor visitor levels"

Brian Morrison bdm at
Wed Aug 24 17:14:14 BST 2011

On Wed, 24 Aug 2011 16:18:21 +0100
"James Firth" <james2 at> wrote:

> Something's bothering me - having worked in system design of
> GSM-related tech (TETRA) I don't remember many circumstances where
> polling TXs from the subscriber would be frequent-enough for real
> time monitoring in a small geographic area like a shopping arcade.
> (It's 6 years since I last worked in this area, mind).

Some places were intending to use Bluetooth to detect visitors, if the
phone is set to discoverable then the MAC address can be tracked and
all restricted to about a 10m radius.


Brian Morrison

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