Abstract: A signal level meter for use in installing an antenna that includes a wireless interface for communications with a portable electronic device hosting applications software to provide a remote user interface. The signal level meter is typically installed between the antenna and TV/STB. A tuner-demodulator demodulates the antenna signal, allows adjustable gain, and generates a signal level output. A wireless interface provides two-way communication (e.g., Bluetooth) between the signal level meter and the portable electronic device (e.g., smart phone) running applications software (or “app”). The app enables the user to remotely view information from the signal level meter regarding signal strength and signal source identification via a graphical user interface. This user interface also enables the user to remotely control operation of the signal level meter, including signal source selection (e.g., channel selection), amplifier gain and filter selection.