You can configure WWAN broadband services on a VOS device in a branch, to provide wireless connectivity to the internet. WWAN functionality is useful when a branch does not have a wired connection to ...You can configure WWAN broadband services on a VOS device in a branch, to provide wireless connectivity to the internet. WWAN functionality is useful when a branch does not have a wired connection to the internet. The term WWAN interfaces is used to represent LTE, 4G, and 5G interfaces.