Gartner says the total cost of ownership for enterprises of Wi-Fi-enabled laptops can be as high as $325 a year: That figure can include subscriptions to multiple service providers but also includes costs associated with technical support. The study does note, however, that some users incur lower costs of ownership because they work at home so are more productive.
To be more precise, it looks like Gartner is saying that Wi-Fi enabling laptops increases the total cost of ownership for enterprises by an increment which can be as high as $325 a year.