The Industry’s Most Scalable and Versatile WLAN Platform. The SmartCell Gateway (SCG) 200 represents the first in a new category of scalable and versatile WLAN controllers with support for 3GPP compatible WLAN gateway functionality. Ruckus virtual SmartCell™ Gateway (vSCG), is a Network Functions Virtualization (NFV) based WLAN Controller for service providers and enterprises who desire a carrier-class solution that runs in the cloud.