The Anritsu Spectrum Master MS2711D is a fast, accurate, repeatable, and powerful handheld spectrum analyzer. It features a new color screen option, a noise floor of ≤ -135 dBm, and a maximum safe input power of ≤ +43 dBm. The full frequency range scan time is 1.1 seconds. This spectrum analyzer is suitable for field applications, offering ruggedness, ease of use, and powerful functionality. It allows for quick and convenient localization, identification, recording, and troubleshooting of communication system faults, making it the ideal solution for various field measurement applications, including interference signal source localization.