The 89441A covers baseband through RF frequencies of dc to 2.65 GHz in scalar and vector analysis modes.
Options:
AY7 - Second 10 MHz Input Channel (CH 2)
AY9 - Extend Time Capture to 1 Msample
AYA - Vector Modulation Analysis
AYB - Waterfall and Spectrogram
AYH - Digital Video Modulation Analysis
UFG - 4Mb Extended Ram and Additional I/O, (Obsolete order option UTH)