Ubiquiti PowerBeam AC (PBE-5AC-500-US) 25KM 5GHz 27DBi AirMax AC Bridge (2-Pack) Frequency: 5GHz. Throughput: 450+ Mbps. Range: 25+ Km. Ideal for CPE deployments requiring maximum performance. Featuring high performance and innovative mechanical design, the PowerBeam ac is versatile and cost-effective to deploy.