PBE stands for Powerbeam which represents that PBE-M5-400 is a part of Powerbeam series for airMAX CBEs. The CBE device is used to enhance the working and connectivity of the indoor airMAX devices. Ubiquity’s latest technology has been used in the making of the PBE-M5-400. It has a number of features that improve its performance, including an integrated radio antenna leveraging Ubiquity’s InnerFeed technology. On top of that, it offers a frequency of 5GHz and a distance of 25+Km in terms of the range of the device. The CBE is easy to install with a simple plug and play option.