Amazon offers the D-Link AC1900 EXO 802.11ac Wireless Router for $99.99. Clip the "$15 coupon" on the product page to drop it to $84.99. With free shipping, that's the lowest price we could find by $15. This router features speeds up to 600 + 1300 Mbps on both 2.4GHz and 5GHz channels, and four Gigabit Ethernet ports.