The airMAX Sector Antenna is a Carrier Class 2x2 Dual Polarity MIMO Sector Antenna that was designed to seamlessly integrate with RocketM radios (RocketM sold separately).Pair the RocketM's radio with the airMAX Sector Antenna's reach to create a powerful basestation. This versatile combination gives network architects unparalleled flexibility and convenience. Unlike standard Wi-Fi protocol, Ubiquiti's Time Division Multiple Access (TDMA) airMAX protocol allows each client to send and receive data using pre-designated time slots scheduled by an intelligent AP controller.