The Agilent 8563A is a 9kHz to 22 GHz Portable Spectrum Analyzer.
Measurements/Features:
5 min warmup
10-30-100Hz resol bw
Performance Characteristics

Form Factor Mainframe
Minimum Frequency 9 kHz
Maximum Frequency 22 GHz
Frequency Accuracy 0.00000000013 %
Zero Span Yes
Minimum Span 100 Hz
Maximum Span 19.25 GHz
Minimum Sweep Time 50 ms
Maximum Sweep Time 100 s
Minimum Resolution Bandwidth 10 Hz
Maximum Resolution Bandwidth 19.25 MHz
Resolution Bandwidth Steps 1/3/10
Minimum Video Bandwidth 1 Hz
Maximum Video Bandwidth 3 MHz
Video Bandwidth Steps 1/3/10
Maximum Safe AC Input 1 dBm
Maximum DC Input 0 V
Maximum Displayed Average Noise -131 dBm
Maximum Dynamic Range -103 dB
Demodulation AM,FM
Connector type (main signal) Type-N(f)
2nd IF Input Connector Type SMA(f)
1st Local Oscillator (LO) Output Connector BNC(f)
Cal Output Connector Type BNC(f)
Probe Power No
External Frequency Reference 10 MHz
Noise Source Driver No