Get the best medical alert systems for seniors, caregivers and children. Shop now and save. Cellular medical alert systems are a form of emergency communication that allow people with serious medical conditions to receive real-time alerts on their cell phones. These systems allow people to remain in control and informed of their health status even if they cannot speak or use communication devices. Cellular medical alert systems can help to reduce the time it takes for a person to receive emergency medical help, and can potentially save lives. Cellular medical alert systems are becoming more popular as a way for people to stay connected in the event of an emergency. These systems connect individuals with doctors, hospitals, and other responders in the event of an emergency. Cellular medical alert systems can be used to notify family members, friends, or caregivers about an individual's health condition or location.