Wood batten
Rigid metal conduit
Flexible metal conduit
Flexible non metal conduit
Load Area Network
Local Area Network
Local Aviation Network
Local Active Network
Above 1000 km
10 km to 1000 km
1 km to 10 km
0 to 1 km
PVC cable
Armoured cable
Belted cable
Coaxial cable
Consist one computer only
Group of 2 or more computers in the same building
Group of computers in different building
Group of computers in different area