Apple Up to 8x Certified DVD-R Recordable DVD Disc Use it on the go in hotel rooms to create your wireless network - just connect the AirPort Express to the Ethernet jack Do you have an existing AirPort Extreme network? Then the AirPort Express can act as a range extender! Supports the Mac or PC Supports wireless networks using the 802.11g or 802.11b Wi-Fi protocols Up to 54Mbps data transfer rate