Newegg offers the refurbished Netgear RangeMax Dual Band 802.11n Wireless USB 2.0 Adapter, model no. WNDA3100-100NAR, for $2.99 plus $2.99 for shipping, via the directions below. That's $19 below our January mention of a new unit and the lowest total price we've seen for this adapter. (It's a current low for a refurb by $14 and $24 less than a new one.) This adapter works on both 2.4GHz and 5GHz networks and features data rates of up to 300Mbps. Rebate ends August 8.
  1. Add the Netgear RangeMax Dual Band 802.11n Wireless USB 2.0 Adapter for $19.99
  2. apply coupon code "VCO" and checkout via Visa Checkout to cut it to $17.99
  3. redeem this $15 mail-in rebate to drop it to $2.99
A 90-day warranty is included, but it's unclear who backs it. Note that the coupon can only be used once per customer.