Ptserial.sys with description HSP Modem Serial Device Driver for NT 5.0 is a driver file from company PCTEL, INC. belonging to product HSP Modem Serial Device.
The file is digitally signed from Microsoft Windows Hardware Compatibility Publisher - VeriSign Time Stamping Service
We do not recommend removing digitally signed files from Microsoft Windows Hardware Compatibility Publisher
Download Ptserial.sys driver with DriverScanner
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