| The ABBREVIATION for LAN is Local Area Network | The abbreviation for MAN is Metropolitan Area Network | The abbreviation for WAN is Wide Area Network |
| It is limited to SMALL areas like schools, colleges, hospitals, etc. | It COVERS towns, cities, etc. | It has a MUCH larger radius than a LAN and WAN and ESTABLISHES communication between countries. |
| The transmission speed is fast in LAN | The transmission speed is average | It has a low transmission speed |
| Design and maintenance are easy | Design and maintenance are difficult compared to LAN. | Design and maintenance are very difficult. |