Types of Telecommunications Networks Explained

Telecommunications networks enable communication over distances by connecting devices and systems.
Based on coverage and purpose, they are classified into different types.

1. Public Switched Telephone Network (PSTN)

• Traditional network for voice communication
• Uses circuit switching
• Mainly supports landline calls
• Managed by telecom providers

2. Local Area Network (LAN)

• Covers small areas like homes or offices
• High-speed data transfer
• Privately owned and managed
• Uses Ethernet or Wi-Fi

3. Wide Area Network (WAN)

• Spans large geographic areas
• Connects multiple LANs
• Uses leased lines, fiber, or satellite
• Common in enterprise networks

4. Internet

• Global network of networks
• Uses TCP/IP protocols
• Supports web, email, cloud, and streaming
• Publicly accessible worldwide

Each type of telecommunications network plays a vital role, from local connectivity to global communication.