Mobile personal alarms and home-only alarm systems compared
https://meet-wiki.win/index.php/Mobile_personal_alarms_and_home-only_alarm_systems_compared
Mobile personal alarms let you call for help anywhere with a press of a button, while home-only systems stay fixed in one place and connect to a base unit. If you're active outside, go mobile; if you mostly stay in, a home system might save you monthly fees.