This module is for integrate with CABLE MODEM, ADSL MODEM, IPTV BOX, ROUTER, SET-TOP-BOX, provide VoIP functions and other advanced functions/ features to them. This module can work in router/ bridge mode, can match for all network situation. On router working module, it can use as a proxy and can let broadcast and multicast pass through, so it’s suitable with IPTV box.