Anritsu Option 331, Enable S331P Site Master (Requires S331P, sold separately) (90-day time limited)
The Anritsu MS2090A-9331 is an official option for the Field Master Pro MS2090A real-time spectrum analyzer. Option 3312 enables S331P Site Master functionality on the MS2090A platform, allowing users to perform cable and antenna analysis when paired with a separately purchased S331P unit. This option is time-limited to 90 days, providing temporary access to the S331P Site Master features for field testing and verification. The MS2090A-9331 is designed for professionals who require advanced cable and antenna measurement capabilities integrated with the MS2090A analyzer, supporting efficient site maintenance and troubleshooting.