As one of its daily deals, Amazon offers the TP-Link AC1200 Archer 802.11ac Wireless Dual-Band Ethernet Router, model no. C1200, for $49.99 with free shipping. That's the lowest total price we could find by $20. It features four Ethernet ports, USB port, simultaneous 2.4GHz and 5GHz frequencies, and three external antennas. Deal ends today.