Wireless capability is a key requirement for most enterprise mobility applications, and it has been reported that wireless-transmission failure rates are three times higher for non-rugged notebooks compared to rugged units. This difference is attributed to the greater experience of rugged-notebook vendors at integrating multiple radios into their products. Each transmission failure leads to five to ten minutes in lost productivity as the user has to re-login to the company network through a VPN.
Since enterprises are turning to cellular networks to enable full-time connectivity for their users, major vendors of rugged computers offer both built-in wireless LAN andwireless WAN capabilities, and partner with cellular carriers, such as Verizon and AT&T, as part of their offerings.[12][13] During the handoff between the various wireless LAN and wireless WAN connections, a mobile VPN allows the connection to persist, creating an always-connected infrastructure that is simpler for the user and eliminates application crashes and data loss.
https://en.wikipedia.org/wiki/Rugged_computer
https://en.wikipedia.org/wiki/Rugged_computer
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