DD-WRT : ASUS' mothership router

ASUS RT-AC5300 : The mothership of routers. Featuring 8 external antennas,

• Tri-band (dual 5 GHz, single 2.4 GHz) with the latest 802.11ac 4x4 technology for maximum throughput (5334 Mbps) and coverage (up to 5,000 sq. ft.)
• MU-MIMO technology enables multiple compatible clients to connect at each client's respective maximum speed
• Built-in access to WTFast Gamers Private Network (GPN) of route-optimized servers ensures low, stable ping times for gaming
• AiProtection Powered by Trend Micro provides multi-stage protection from vulnerability detection to protecting sensitive data
• ASUS Smart Connect delivers consistent bandwidth by dynamically switching devices between 2.4 and 5 GHz bands based on speed, load and signal strength

Highly recommended