This application helps the novice communications engineer learn about the maintenance of Huawei, Ericsson and Siae devices. It helps solve many common problems on all these devices and builds this application on serial images it including the following devices umpt , gtmu , rtn huawei,Emerson , Mrfu , rus Ericsson , traffic node , mini link , rbs Ericsson , Cabinet power , 3g , 2g , Baseband , 4g , duw , Ags-20 , rbs6000 , xpic , atn huawei, ptn huawei, tcu ericsson, dug Ericsson, BBU Huawei, Transmission , GSM , dcs , STM , outdoor , indoor , Greenfield , rooftop