<Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (April 2013) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (April 2013) </Td> </Tr> <P> The total network bandwidth depends on how dispersive the medium is (more dispersive medium generally has better total bandwidth because it minimises interference), how many frequencies are available, how noisy those frequencies are, how many aerials are used and whether a directional antenna is in use, whether nodes employ power control and so on . there are two bands for now 2.4 GHz and 5 GHz . mostly 5 gigahertz band gives better connection and speed . </P> <P> Cellular wireless networks generally have good capacity, due to their use of directional aerials, and their ability to reuse radio channels in non-adjacent cells . Additionally, cells can be made very small using low power transmitters this is used in cities to give network capacity that scales linearly with population density . </P>

Describe and give and example of each of the different wireless network categories