B&H Photo Video offers the TP-Link Archer C50 802.11ac Wireless Dual-Band Ethernet Router, model no. C50 AC1200, for $49.99. Clip the 40% coupon on the product page to drop it to $29.99. With free shipping, that's $12 under our August mention and the best price we've seen. (It's a current low by $10.) It features four Ethernet ports, USB port, simultaneous 2.4GHz and 5GHz frequencies, and two external antennas.