The 89441A covers baseband through RF frequencies of dc to 2.65 GHz in scalar and vector analysis modes.
Options:
AY9 - Extend Time Capture to 1 Msample
AYA - Vector Modulation Analysis
B73 - Add Digital Wideband CDMA Analysis (Requires AYA, UTH)
B79 - Add Digital ARIB 1.0-1.2 W-CDMA Analysis (Requires B73)