... design and improvement, we successfully manufacture GMG-2020P 2KW programmable control microwave source. It possesses the high reliability, ... customer’s requirement, such as circulator, short load, electrical three-pins modulator, and so on. c) Control system: ... Frequency: 2450MHz +- 25MHz 2) Power supply: 380VAC+-5%, 50Hz, three phase, four wire 3) Power output: 200W - 2000W continuous adjustment. 4 ...