What is meant by radio communication ?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Radio Communication**: Radio communication refers to the process of transmitting and receiving messages in the form of radio wave signals between two stations.

2. **Nature of Connection**: In radio communication, the two stations involved do not need to be physically connected by wires. This wireless aspect is a key characteristic of radio communication.

3. **Mechanism of Transmission**: The messages are sent as radio signals, which can travel through the air, allowing for communication over distances without the need for a direct physical link.

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