This Ubiquiti Networks product is a 5-pack of international PBE-5AC-400, designed for long range PtP usage. Operating in 5GHz with a 400mm 25dBi dish antenna.Ubiquiti airMAX ac devices feature a multi-radio architecture to power a revolutionary RF analytics engine. An independent processor on the Printed Circuit Board Assembly powers a second, dedicated radio, which persistently analyzes the full 5 GHz spectrum and every received symbol to provide you with the most advanced RF analytics in the industry. Using Ubiquiti airMAX AC technology, the PBE-5AC-400 supports up to 450+ Mbps real TCP/IP throughput up to triple the throughput of standard airMAX products! airMAX ac supports high data rates, which require dense modulation: 256QAM – a significant increase from 64QAM, which is used in airMAX.