Newegg offers the refurbished Asus AC2400 4x4 Dual Band 802.11ac Wireless Router, model no. RT-AC87R, for $199. Coupon code "EMCASAT34" cuts it to $159. With free shipping, that's $5 below our refurb mention from last week and the lowest total price we've seen. (It's a current low for a refurb by $66.) It features maximum speeds of up to 2.3 Gbps, USB, TrendMicro AiProtection, AiCloud 2.0, USB, and four adjustable antennas.
A 90-day warranty applies, although it's unclear who backs it.