Patent ID: 8254953
Filing Date: 2012-08-28
Classification: H04L,H04W,Y02D

Abstract:
1. A wireless portable device for providing location-based data to a user in a defined geographical area including a plurality of points of interest, the wireless portable device comprising: a transmitter configured to transmit location information to a wireless server over a wireless network, wherein the location information is indicative of a location of the wireless portable device within the defined geographic area; a receiver configured to receive the location-based data from the wireless server over the wireless network periodically and automatically, based on the location of the wireless portable device corresponding to one of the plurality of points of interest to automatically provide to the user of the wireless portable device the location-based data relating to the one of the plurality of points of interest; and an expansion bay to connect an expansion cartridge to the wireless portable device, wherein the expansion cartridge is configured to receive the location-based data while the wireless portable device is in a low power sleep state, and wherein the expansion cartridge comprises a communications device configured to receive the location-based data via a secondary communications channel established with a second wireless network when the wireless portable device is out of a range of the wireless network.