No. Thats dumb. They would go off if left in a hot car. PETN is not -that- sensitive. Pagers recieve every page, and then only display that page if it is to the current device. These were no doubt wired to trigger on a page.
No. Thats dumb. They would go off if left in a hot car. PETN is not -that- sensitive. Pagers recieve every page, and then only display that page if it is to the current device. These were no doubt wired to trigger on a page.