Radio transceiver and smartphone: what they have in common

1. Step 1. Radio transceiver — is part of — Military radio. A radio unit.
2. Step 2. Military radio — has part — Antenna. It needs an antenna.
3. Step 3. Antenna — is part of — Radio module and antenna. An antenna.
4. Step 4. Radio module and antenna — is part of — Smartphone. Connection to the cellular network, Wi-Fi, Bluetooth and satellite navigation.

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