However , one research study found that in environments where rugged computers are commonly used , total cost of ownership was 36 percent lower for rugged notebooks and 33 percent less for handhelds and PDAs , compared to conventional non-rugged versions .
Rugged units have higher prices .
One research study found that in environments where rugged computers are commonly used , total cost of ownership was 36 percent lower for rugged notebooks and 33 percent less for handhelds and PDAs , compared to conventional non-rugged versions .
Rugged units have higher prices .