SM300-K1 1.4 was available as a free download on our software library. The most popular versions of the tool are 1.4 and 1.1. This free program was originally designed by ROHDE & SCHWARZ GmbH & Co.KG. The program is categorized as System Utilities.
From the developer:
This software was designed for the remote control of the Rohde and Schwarz SM300-K1 Signal Generator 9 kHz - 3 GHz. It offers all the features required of a general purpose signal generator: wide frequency range, large variety of modulation functions and high reliability - at an extremely attractive price.
You may want to check out more software, such as CafePilot Client, Xteq Systems URL Bandit or Hapi, which might be related to SM300-K1.