Meritline offers the Geetek Janus II 802.11n Wireless USB 2.0 Adapter, model no. GT-H10DN, for $24.99. Coupon code "MLCJ11AN" cuts it to $12.99. With free shipping, that's the lowest total price we could find by $6, although we saw it for $2 less in April. It features dual high-gain dipole antennas, up to 300Mbps transfer speeds, and WEP, WPA, and WPA2 support. Coupon ends after 300 uses.