The Windfreak SynthNV PRO is software controlled RF signal generator that operates from 51 MHz to 6.6 GHz. The device can be used for Scalar Network Analysis of both through and reflected responses of RF devices such as filters, amplifiers, antennas, cavities and matching networks. It includes an on board 8 GHz broadband RF detector / power meter. Sweeps run at 100 uS per point. The signal generator has a 16 band high speed switching harmonic filter on its output that attenuates harmonics up to 60 dBc. This compact and light weight signal generator can be controlled and powered by a PC running Windows XP, Windows 7, or Android.