Additional Advantages:

Always on with seamless roaming!
Signal can travel on same cell sites as cell phones
You are your OWN hotspot - you're not relying on someone else's internet connection
No 300-ft range from the cell tower or "hotspot"
Customers can access their corporate VPN (virtual private network) anywhere they can get a
cellular signal via a secure, encrypted signal
Can download and run video clips in real time
Can provide service to customers outside of cable-modem or DSL areas
Relative low cost with high capacity – allows rich web browsing and application usage.
Works with VOIP
Completely portable