Meritline offers the refurbished D-Link 802.11n Wireless USB 2.0 Adapter, model no. DWA-130, for $16.99. Coupon code "MLC6F0D2ANL1" drops it to $11.99. With free shipping, that's $21 under the lowest total price we could find for a new unit today, although we saw a refurb for $3 less last fall. It features WEP, WPA, and WPA2 security and link and activity LEDs. Coupon expires after 300 uses. A 30-day D-Link warranty applies.