Utilizing InnerFeed technology, the new airGrid® M HP Series from Ubiquiti Networks represents the latest evolution of outdoor wireless broadband devices. The revolutionary InnerFeed technology integrates the entire radio system into the feedhorn of the antenna. airGrid M combines InnerFeed and airMAX® (TDMA protocol) technologies to create a simple, yet extremely powerful and robust wireless Customer Premises Equipment. – airFiber 11FX High Band Duplexer Accessory