... high-power linear amplifier, high-precision power detection, digital display and single-chip LCD technology, with adjustable and ... , 7MHz, 8MHz4:Modulation: 64QAM, COFDM or the Digital Television Terrestrial Broadcasting required5:Carrier Frequency Stability: ±500Hz6:Modulation ... integrates the research, manufacture, sales and service of digital CATV products. And we have experience in providing ...