Need a Windows SDK for LI4278.

Am trying to download a Windows SDK for LI4278 from link

LI4278 - Zebra Technologies Enterprise Support USA

 

But it says:

Error

The page you are trying to reach is no longer at this location or the system is temporarily inaccessible. Please check the URL entered or try again later to locate your desired page.

Still can't find what you are looking for? Then please Contact Us.

 

So where can I get the SDK. And its urgent.!!