Measurement capability includes return loss, SVWR, cable loss and distance-to-fault (DTF) analysis. Patented RF interference rejection enables accurate measurements in the presence of high RF activity. Data Analysis software enables assessment of system trends, problems and performance in addition to professional report generation. An optional power meter is available to make power measurements quickly and easily.

Site Master S820A utilizes vector error correction solving the most common and the most difficult accuracy problems of field test equipment operation and thus, improves system quality and reduces maintenance expenses. Vector error correction allows the test port to achieve the highest commercial directivity to 50 dB (frequency dependent). Difficult test specifications are easy to verify. Vector error correction and a simple, friendly user interface within the S820A further improves the quality and convenience of measurements compared to traditional scalar techniques.

Vector error correction also improves the quality of Distance-To-Fault data. Not only is the reflection magnitude more accurate, the waveguide dispersion correction for fault distance (different frequencies travel at different speeds) is also more accurate and repeatable.