Land Mobile Radio (LMR) systems are wireless communications devices that are terrestrial-based, two-way radio transmitters ideal for local radio applications. A land mobile radio modulation analyzer aids in the installation and maintenance of these public safety communications systems. To comprehensively assess a radio array, land mobile radio system modulation analyzers act as cable & antenna analyzers and spectrum analyzers and also possess signal analysis and generation capabilities. LMR systems are the primary means of voice communications among public safety personnel, including first responders, U.S. Department of Defense employees. Applications for LMR modulation analyzers include commercial, maritime, public safety and critical infrastructure radio field testing.