Simultaneous 2.4GHz & 5GHz dual bands; Eliminates dead spots & extends the existing wireless-AC coverage up to 10,000 sq ft; Works with Wi-Fi(R) router or gateway; Enables optimal HD video performance; 4 Gigabit Ethernet ports; Innovative cross-band technology maximizes use of both bands for high-speed data transfer & uninterrupted streaming & gaming; Spot Finder app shows where to place range extender in relation to existing router; Includes 2 antennas, AC/DC power supply & Ethernet cable;