A wide range of internet protocols, industry-standard interfaces and functionalities (such as USB serial drivers for Windows 7/8/8.1/10/11, Linux, and Android) allow the module to serve a wide range of IoT applications including industrial routers, industrial PDA, rugged tablet PC, and digital signage.
The USB chip identifies its device type to the computer, and it can repeat this process at any time. Noll pointed out that there are valid reasons for one device to present itself as more than one, such as a webcam that has one driver for video and another for the attached microphone. And truly identifying USB drives is tough, because a serial number is optional and has no fixed format. 153554b96e