D-Link today announced the Air DWL-122, a wireless USB 1.1/2.0 adapter for connecting to an 802.11b network. The US$49.99 adapter works with Mac OS X, offers data transfer speeds up to 11Mbps, and connects to any USB port, which frees up your PC Card slot. The D-Link DWL-122 features integrated 64/128-bit WEP encryption, and comes with an extension cable that allows it to be placed at a distance from the desktop or laptop to achieve the best available wireless signal.