The MB20 system is the very first highly advanced FR testing and measurement that has been brought to a desk top based environment. The design packages highly advanced sensor and processing technology in a way that is both reflective of the high value and the technology base of the product in a clean, easy to use and timeless fashion. The modular design allows a mix and match approach and facilitates upgrades and functionality extensions within the high quality, robust casing. This extends the products life and user choice and allows the product to evolve and stay at the cutting edge of RF sensing and measurement.