This is the ADVANTECH 968TS16C5U, a volume license for Windows Server 2016 Embedded Edition. It includes a 64-bit Multilingual version with 5 Client Access Licenses (CALs) for user access. The license is delivered via Electronic Software Distribution (ESD) and is intended for OEM pre-installation.
968TS16C5U - Advantech WIN SVR EMB CAL 2016 64BIT MULTILANG ESD OEI 5 CLT USER CAL