4 X high gain external antennas plus integrated power amplifier units, WiFi booster range extender boosts and delivers superior wireless signal coverage throughout your office or house, and even out into the garden. Also delivers better wireless range than WiFi extenders with internal antennas.Latest AC1200 WiFi technology delivers 4 times speed as that of N300 or nearly 2 times as that of AC750, push your wireless range to the extreme without upgrading any existing equipment by adding this 1200Mbps dual band WiFi booster.