HTS code 9902.17.29 covers "Oscilloscopes and oscillographs, having a bandwidth range of 20 GHz to 90 GHz and a sampling rate range of 50 megabytes per second (50 Mbps) to 80 gigabytes per second (80 Gbps), each with 1 to 16 measurement channels, internal hard drive, 1 to 4 interchangeable measurement modules and a color touch screen measuring over 25 cm but not over 28 cm (provided for in subheading 9030.20.10), the foregoing other than hand-held" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.