This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
Wiser for KNX (W4K) and spaceLYnk are very similar products with few differences. You can find the differences between spaceLYnk and Wiser for KNX on page # 13 of the spaceLYnk User guide which can be downloaded from Schneider's global website via the following direct link:
https://download.schneider-electric.com/files?p_enDocType=User+guide&p_File_Name=AR1796_EdK_User_Guide_spaceLYnk_EN.pdf
https://download.schneider-electric.com/files?p_enDocType=User+guide&p_File_Name=AR1796_EdK_User_Guide_spaceLYnk_EN.pdf