Pricer International out of Atlanta, Georgia has a nationwide network of appliance stores set up to display their pricing.

Their hardware is basically Access points which shoot Infrared Light around the room which contains data.

That data is then captured by the tags, which display the pricing.

Phoenix Geeks travels the country, performing installations for this project.  We run low voltage cable (Cat6) from a base station to each of the transceivers.  From there, we cable up, and connect the devices, and leave as tags are being populated.