Keysight Technologies (formerly Agilent) 8565EC9kHz to 50GHz portable RF spectrum analyzer.
Features; a flat-panel color display,
Offer standard digitized fast time domain sweeps (previously,
Option 007 on the 8560 E-Series),
0.1Hz to 2MHz resolution bandwidth in a 1, 3, 10 sequence;
time gated; programmable. Includes precision frequency reference and
mass memory module, AM/FM demodulator, GPIB controls, fast, digital resolution
bandwidths of 1, 3, 10, 30, and 100 Hz and direct print/plot;
Connector type APC 2.4 mm male.
Option 6, increases frequency range to 30Hz-50GHz.
See also KT-8565E, or KT-N9010A-544 or KT-E4448A or KT-N9030A-550.