The second generation Rocket Prism 5AC units cover the entire 5GHz spectrum and combine airMAX ac and airPrism technologies for maximum wireless performance in noisy areas. In addition, it has improved ESD protection against atmospheric influences. Wi-Fi Radio Management A new feature of the airMAX ac GEN2 products is the integrated 2.4GHz radio , which is used to set the radio using your mobile device. This is what the UMOBILE application is for, which is free to download for both iOS and Android platforms. Revolutionary filtering technology Patented airPrism technology provides breakthrough