Business WLAN | G-4100v2 AP together with Cisco AP's

Hi all,

first of all I wanted to say that I am new to this forum. And I really hope I could get some answers from you guys =) I am a junior networking-technician so my skills and knowledge in this matter may be somewhat basic so please be nice

Forward to my question:
I have been looking into a solution using the ZyXEL ZyAIR G-4100v2 to easily offer visitors at the company I work on a temporary Internet-access via WLAN. And I also want this WLAN to cover the entire company site, so the one accesspoint that comes with the G-4100v2 purchase won't be enough obviously. So what I was wondering is if I can connect the G-4100v2 to the already existing WLAN I have here at the site? We are currently using Cisco Aironet 1200 series AP's and I would like to configure these with another WLAN (SSID) for visitors to use and connect that WLAN with the G-4100v2 WLAN. Is that possible? Do you guys know what it is I am trying to say here?

Thanks for any feedback on this matter.

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