Network:

Wide Area Network (WANs)

Metropolitan Area Networks (MANs)

Local Area Networks (LANs)

Personal Area Networks (PANs)

Home Area Networks (HANs)

Storage Area Networks (SANs)

Simplex- one-way communication

Half Duplex-

Full Duplex-

Radio Wave-

Radio Transmitter-

Electromagnetic Wave-

Amplitude Modulation (AM)-

Frequency Modulation (FM)

Phase Modulation (PM)

Spread spectrum (SS)-