QC could stand for Qualcomm, maybe their Atheros wireless chipsets, like the Qualcomm Atheros AR9285 or similar. The model number QC1110 might be a wireless adapter. Alternatively, it could be from another company, but Qualcomm Atheros is a common one. The x64 indicates it's the 64-bit version for Windows 10. qc1110x64exe windows 10