Can wireless networks increase productivity by giving office workers access to vital data while they're in meetings or letting them work from hot spots away from the office? You can justify the cost of a wireless network if you believe it will get you even one extra productive hour a week out of each employee, according to this downloadable calculator put together by Alinean, a consultancy that specializes in advice on getting the most out of corporate information-technology spending.

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The calculator will let you cost out a wireless network for your business.

To see the details behind this calculator, click on the "Get the Tool" icon above and download the interactive worksheet.