The Giga-tronics GT-8550B USB Power Sensors offer easy-to-use high-performance RF and microwave power measurement. High dynamic range and high accuracy make these sensors ideal for testing in wireless communication applications and Defense EW systems. The GT-8550B series feature no zero and no calibration and fast measurement speed. These broadband power sensors provide easy-to-use, fast, accurate power measurement for R&D laboratory, manufacturing test and field installation and maintenance applications.