NeoSmart is a long range and low cost tracking system that helps to find elderly instantly. With minimal setting, which is 3 gateways that can build up a long range tracking system that up to 7km radius from each gateway. Once the elderly who carried our self- developed tracking device out of the assigned area, immediate alert will send out and users can track their location instantly. We provide a long range and low cost tracking system to locate lost elderly's location without GPS.