The HP 83751A Synthesized Sweeper is a high-quality option for those in need of a precise and reliable analyzation tool. Made by HP in the United States, this model offers a frequency range of 2 GHz to 20 GHz, ensuring comprehensive and accurate results for a variety of industrial and business applications. With its advanced synthesized design, this sweeper is an ideal choice for those looking to accurately measure and analyze signals within its specified frequency range.