Newegg offers the Trendnet AC1200 Dual Band 802.11ac Wireless Router, model no. TEW-811DRU, for $51.99. Coupon code "EMCAVKR49" drops it to $19.99. With free shipping, that's $20 under our December mention and the lowest total price we've seen. (It's a current price low by $32.) It features a maximum speed of N300 + 867Mbps, dual-band support, four Gigabit Ethernet ports, and USB.