1) allow existing SmartZone controllers to add new AP model support, or
2) apply important bug fixes before the next Maintenance Release with these built-in.
This new AP Bundle will add H320 model AP support, and important bug fixes to SmartZone 3.5.1.0.269 (MR1) Controllers.
You must upgrade to this version of vSZ-E or SZ-100, if running previous versions.