Offers an affordable GPS tracking service using GPS-enabled mobile phones. Sends map data or text reports to desktops and cell phones at low monthly rates.
... 1: GPS Dog Tracking collar For communication between GPS GSM collar/backpack and mobile phone you ... SIM card, maybe from a second mobile phone. Fig. 2: GPS Dog Tracking signal-collar, ...
SECUGIS designs, manufactures, and markets GPS (Global Positioning System) GPS and DGPS equipment, as well as GIS system, datalogging, and simulation...