pager
noun /ˈpeɪdʒə(r)/
/ˈpeɪdʒər/
- a small electronic device that you carry around with you and that shows a message or lets you know when somebody is trying to contact you, for example by making a sound
- For many doctors, pagers are still an important part of everyday life.
- Try to contact him on his pager.
- Suddenly a pager went off.