Systems and methods are provided for effectuating a self-installation application that may be utilized by end users of 5G Fixed Wireless Access (FWA) devices, installation professionals, etc. to optimally locate and position/orient a 5G FWA device relative to an installation environment. Various guidance can be provided to a user depending on the user's level of experience or familiarity with installation of such devices. Calculations can be executed to determine performance of a 5G FWA device depending on its location/position/orientation relative to elements or structures or obstructions that may impact its ability to effectively connect to/obtain service from a serving cell or network infrastructure.