BIS extensions for V4.3
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_36028798365206923.png)
BIS extensions for V4.3
BIS Upgrade from 2.x to 4.2
Commercial Type No. BIS-BUPG-B2TO42
Product No. F.01U.327.525
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_36028798365206923.png)
BIS extensions for V4.3
BIS Upgrade from 3.x to 4.2
Commercial Type No. BIS-BUPG-B3TO42
Product No. F.01U.327.526