Woot offers the factory-refurbished Cisco Linksys AC1900 Dual-Band 802.11ac Wireless Gigabit Ethernet Router, model no. EA6900, for $89.99 with free shipping. That's $5 under our refurb mention from this past spring and the lowest total price we've seen. (It's a current low for a refurb by $10.) It features 2.4GHz and 5GHz frequencies, a USB 3.0 port, four Gigabit Ethernet ports, and WPA and WPA2 encryption with SPI firewall. A 90-day Linksys warranty applies. Deal ends today.