According to the latest and greatest WURFL PHP API (WURFL.xml from 2016-10-23), your device with User-Agent Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) is identified as Microsoft Internet Explorer

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is_tablet false
pointing_method mouse
resolution_width 800
resolution_height 600

This is just a partial list of capabilities. Licensees have access to over 500 capabilities.

You can paste the User-Agent string of a device here to see how the latest commercial release of the WURFL framework detects it.