By placing an Apple AirPort Express after Vilfo, your AirPort Express can be used to extend the wireless network of Vilfo.
Turning your Apple AirPort Express into an access point
Connect a network cable to the WAN port on your Apple AirPort Express and the LAN port on your Vilfo
Start the AirPort Utility application
Wait until the AirPort Utility program finds the AirPort Express and click the Edit button to access configuration
Go to the Inter tab of your AirPort Express
Verify that Connect Using is set to DHCP so that your AirPort Express get an IP address from Vilfo
Go to the Network tab
Under Network Mode, select Off (Bridge Mode)
Save your settings
Note! If you choose to use your Apple AirPort Express as an access point, you may want to disable the Wireless network in Vilfo.