Pager receiver circuit and GPS (satellite navigation): what they have in common

1. Step 1. Pager receiver circuit — is part of — Pager. It receives messages on a dedicated frequency.
2. Step 2. Pager — has part — Liquid-crystal display. The message appears on an LCD.
3. Step 3. Liquid-crystal display — is part of — Car navigator. A screen.
4. Step 4. Car navigator — uses — GPS (satellite navigation). GPS.

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