Pager
device · 1950 · Digital age
A receiver of short messages.
What it is made of
- Antenna — has part. It receives the signal with an antenna.
- Liquid-crystal display — has part. The message appears on an LCD.
- Pager receiver circuit — has part. It receives messages on a dedicated frequency.
- Microcontroller — has part. It decodes and stores messages.
- Vibration motor — has part. Vibrating alert.