ASUS RT-AX52 Pro AX3000 wireless router Gigabit Ethernet Dual-band (2.4 GHz / 5 GHz) BlackBSS Coloring Boosts Connection Efficiency WiFi 6 includes a new feature called BSS Coloring that improves WiFi connection efficiency even in crowded environments. When two neighboring routers send traffic on the same channel, your router has to wait until the channel is free. With BSS Coloring, your WiFi 6 router identifies its data with a unique channel tag ('color') that's different from neighboring networks. Your WiFi 6 router can then ignore other