Additional Features: Frequency range 10 MHz to 26.5 GHz in a one box solution APC 3.5 (m) connector as standard SNS series noise source compatibility The Keysight Agilent HP N8975A is a high performance noise figure analyzer designed to make fast, accurate and repeatable noise figure measurement. With the Keysight Agilent HP N8975A ease of use features, you can set up complex measurements simply and easily giving you repeatable and reliable results you can trust. The Keysight Agilent HP N8975A offers simultaneous noise figure and gain measurements with the ability to view, print and save the data/display in multiple formats.