As one of its daily deals, Amazon offers Prime members the TP-Link 802.11n Wireless Router, model no. TL-WR840N, for $17.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.67.) That's the lowest total price we could find by $12. This router features 300Mbps transmission rate. Deal ends today.