... , system fault, high working temperature, high VSWR... 3. With DDS module, output power adjusting per Band and Bandwidth adjusting within Band ... more than 24hours. 6. Taking use of super-high frequency with high effective power. 7. Only interfere downlink frequency of ... . TX-Frequency: 20MHz-2500MHz, full band no gap. With DDS module, output power adjusting per Band and Bandwidth adjusting within Band ...