Newegg offers the refurbished D-Link AC1200 Dual-Band 802.11ac Wireless Gigabit Ethernet Router, model no. DIR-850L, for $29.99. Coupon code "EMCEMFN39" cuts it to $22.49. With free shipping, that's $3 under our May mention and the lowest total price we've seen. (It's also $2 under the best we could find for an open-box model; new ones start at around $75.) The dual-band (2.4GHz and 5GHz) wireless router features wireless speeds of up to 1,200Mbps and four Gigabit Ethernet ports. Deal ends August 21.
A 90-day warranty applies, although it's unclear who backs it.