Meritline offers the factory-refurbished Linksys Cisco AE1000 802.11n Wireless-N USB 2.0 Network Adapter for $20.99. Coupon code "MLCK725RNL1" cuts it to $13.49. With free shipping, that's $2 off our mention from three weeks ago and $28 under the lowest total price we could find for a new unit. It features WPA and WPA2 encryption. A 90-day Linksys warranty applies.