These models offer expanded frequency ranges with the same
frequency accuracy and variety of options associated with the Keysight 8591A.
The 8594A has a frequency range of 9kHz to 2.0GHz and am amplitude range of 112
to +30 dBm.
A frequency range of 1BH, which does not display spans wider than
2.3GHz. Both instruments have an optional 2.0GHz built in tracking generator.
In addition, each comes standard with a measurement personalities, your own
programs, or measurement data into the spectrum analyser using 32 Kbyte memory