Amazon offers the TP-Link N300 802.11n Wireless Range Extender
for $19.99. Coupon code "5OFF855RE" cuts it to $14.99
. Plus, Prime members bag free shipping
. That's the lowest price we could find by $5 and the best deal we've seen this year. This 802.11n wireless range extender expands coverage via a push of the range extender button.