Ubiquiti AirGrid M5 27dBi. The revolutionary InnerFeed technology integrates the entire radio system into the feedhorn of the antenna. airGridM combines. Model:' Ubiquiti AirGrid M5 HP 23dBi AG-HP-5G23, Complete antenna and radio system. Designed to be a highly directive CPE device, the. UBIQUITI AirGrid M5 AirMAX - outdoor CPE, frequency: 5 GHz, throughput: + Mbps, range: 25+ km, 1x LAN, incl. 23 dBi antenna product description.