US Mobile will now let you use two networks at once on the same plan with its new Multi-Network Functionality feature.

it is expensive to install as this type of network uses the most cable (network cable is expensive) extra hardware is required (hubs or switches) which adds to cost if a hub or switch fails, all ...

the whole network fails if the switch fails as no node can communicate a wired star topology requires plenty of cable - in a large network this can be expensive Star topologies tend to be found in ...