Apple has updated its
802.11n, the latest iteration of the wireless networking standard, more than quadruples wireless-data rates to 248 megabits per second from the current 54 megabits per second offered by the 802.11g wireless standard; there are also some security improvements over 802.11g.
Apple's current lineup of laptops, iMac desktops,, and already come with 802.11n.
An AirPort Express allows up to 10 Wi-Fi users to share a single broadband connection, access a printer wirelessly through a USB, and wirelessly stream media from Apple's iTunes software through its "AirTunes" feature. Always a proponent of small size, Apple touts the weight of the little guy as just 6.7 ounces; it costs $99.