SFG-2000/2100 Series include three members in each family at 4MHz, 7MHz, 10MHz and 20MHz bandwidth, respectively. SFG-2100 Series has additional functions of Sweep, AM/FM modulation, External Counter. As a result of the 20ppm stability level and output waveform accuracy, SFG-2000/2100 Series well fits a wide variety of applications, such as signal generator for experiment labs, reference signal for PLL (Phase Locked Loop), and calibration and adjustment source for electronic devices.