This option adds the software capabilities of the Gain Compression Application (GCA). GCA provides fast and accurate input power, output power, gain, and phase at the compression point of an amplifier or frequency converter, over a specified frequency and power range, with a simple setup. GCA eliminates the problems of lengthy test times and inconvenient setups by providing SMART Sweep that is easy-to-use, fast and accurate. GCA also includes a guided calibration that corrects for absolute power levels, frequency response, and mismatch errors.