Agilent E4407B ESA Spectrum Analyzer 

9 kHz - 26.5 GHz

Calibrated with certificate

Options 1DR AYZ B72 1D5 A4H AYX BAA
1DR = Narrow Resolution Bandwidth
AYZ = External Mixing (LO out & IF in SMA ports)
B72 = Expansion Memory
1D5 = High Stability Freq Ref
A4H = GPIB & Parallel
AYX = Fast Sweep & Ports
BAA = FM Demod

Frequency range: 9 kHz-26.5 GHz
Rugged and portable for lab grade performance in the field
One-millisecond RF sweep time, 45 measurements per second
RMS, peak, neg peak, quasi-peak detectors
± 0.4 dB overall amplitude accuracy
Optional 1 Hz digital-resolution bandwidth filter and preamplifier
-166 dBm sensitivity, with internal preamp, +12.5 dBm TOI
Maximum frequency coverage up to 325 GHz with external mixing
Variable sweep (trace points) from 2 to 8192
Segmented sweep for up to 32 discontinuous spans in one sweep