Check the listing for details. Keysight N1501A High temperature probe kit (probe, calibration ref, software). Condition: Used. Listed at 6999.99 USD. This sale includes the high temperature probe, the calibration fixture, a FlexNet-9 USB dongle for the Keysight Materials Measurement Suite 2018 along with a USB drive with the license file and associated documentation. This fixture and software works with most Keysight (Agilent) PNA, ENA, and FieldFox Vector Network Analyzers (VNA) for measurement of the complex permittivity of solids and liquids. You will need a RF cable to connect to your VNA, but if you are reading this you probably already have the cable. Hardware Keysight N1501A High temperature probe kit $10,012 (2024 prices)Probe and calibration block Software (USB FlexNet-9 dongle)Keysight N1500A Materials Measurement Suite Tr/FS/Coax V3 (2018)Keysight N1500A-001 Transmission line and free space method $7,245 (2024 prices)Keysight N1500A-004 Coaxial probe method $3,105 (2024 prices) This is everything you need to connect to your VNA and measure the permittivity of samples. The software license and dongle have been tested and used on both Windows 10 and 11.