Keysight-Agilent 8683B
Resolution:
8683B/D – 5 MHz resolution using a 4 digit LED display
8684B/D – 10 MHz resolution using a 3 1/2 digit LED display
Harmonics (<18 GHz, 10 dBm):
<-25 dBc (unspecified in 2x frequency band)
Amplitude Modulation Depth (1 kHz rate):
0-70%.
Frequency Modulation:
5 MHz (main); 10 MHz (x2 band)
Pulse Modulation Rate:
10 Hz to 1 MHz in 5 ranges