PAT4DV/3 & PAT4DVF/3 speed testing by working the way you work. PAT4DV is quicker to start, test, download and upload. Full Appliance and Client details are stored along with test results. New Appliances may be added as and where you find them. The combination of Quick Boot, Auto Restart, Real Time Clock, Group Test Codes, Quick Check and Instant Certification will save you up to 50% of your time, resulting in increased efficiency, improved productivity and increased profits for your company compared to other testers.