This is license to disable limits in WEB Radio plugin. This plugin allow you listening Online-Radio stream in Centrafuse (Internet connection must exist). 
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This is license to disable limits in Sygic plugin. This plugin integrate Sygic FLEET into Centrafuse as navigation engine(Share nav info to other plugins and also do other things). 
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This is license to disable limits in Trip Computer plugin. This plugin can show you GPS data, calculate distance, average speeds, max speed... 
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This is license for 1 year and 1 device in GPS Track plugin. You can track your car in Standalone application(Need license) or by WEB page(FREE). 
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