Ubiquiti PBE-M2-400 5-Pack PowerBeam M2 18dBi 2.4GHz Airmax 400mm 20km+ PoE (5-UNITS) Ubiquiti Powerbeam M2 400mm PBE-M2-400 2.4GHz 18dBi 150+ Mbps airMAX CPE for customer locations5 Incorporating a dish reflector design with advanced technology, the PowerBeam PBE-M2-400-US is the latest generation of Ubiquiti Networks airMAX CPE for customer locations. Ubiquiti InnerFeed technology integrates the radio into the feedhorn of an antenna, so there is no need for cables to connect the radio to the antenna. This improves performance because it eliminates cable losses. The form factor of the PowerBeam Powerbeam M2 400mm features the highest gain for its size. The PowerBeam 2.4GHz 18dBi excellent beam directivity provides the best performance in high-noise environments. Ubiquiti airMAX technology is proven in millions of deployments worldwide, exhibiting outstanding performance in outdoor environments. The TDMA airMAX protocol enables unprecedented scalability, high throughput and low latency in unlicensed, multipoint networks.