For example: Agilent E4440A or Anritsu 68369
Gigatronics
Gigatronics 004BA14100
Filter, Coupler, Modulator Assembly 5.4 - 12.5 GHz
Category: Microwave Components
Gigatronics 2420B
Value Line RF & Microwave Synthesized Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 2440L
Value Line ATE RF & Microwave Synthesized Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 2502B
Microwave Signal Generator - (100 kHz to 2.5 GHz)
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 2520A
Perfomance Line RF & Microwave Synthesized Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 6061A
10 kHz-1.05 GHz Synthesized RF Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 6062A
100 kHz-2.1 GHz Synthesized RF Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 6080A
10kHz-1.056GHz Synthesized RF Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 6082A
100 kHz-2.112 GHz Synthesized RF Signal Generator
Category: Signal Gen/Synthesizers/Sweepers
Gigatronics 6100
Synthesized Signal Generator, 10MHz to 8GHz,
Category: Signal Gen/Synthesizers/Sweepers