Rohde & Schwarz Extended frequency range, 3.3 GHz to 6 GHz, per RF converter, retrofittable only in R&S service with UCS (software license)
The Rohde & Schwarz 1203.0851.02 is an official hardware and software upgrade option for the R&S FSV3 spectrum analyzer series, specifically enabling an extended frequency range from 3.3 GHz to 6 GHz per RF converter. This option is retrofittable exclusively by Rohde & Schwarz service personnel and requires a UCS (Universal Configuration Software) software license for activation. The upgrade is designed to enhance the measurement capabilities of the FSV3, supporting advanced applications in wireless communications, radar, and other high-frequency domains. It is not user-installable and must be ordered and installed through authorized R&S service channels.