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New devices track patients who wander

Wall Street Journal, February 10, 2009
As the market for search-and-rescue technology expands, LoJack Corp., the maker of wireless devices that allow cops to find stolen cars, is announcing the launch of a radio-based product designed to locate people. Several companies already offer devices that use wristband radio transmitters to help police locate people quickly, but advocates for the elderly and disabled say there's a large and unmet need for more such services.