The Model DC3010A is a high power, ultra-broadband dual directional coupler with excellent performance characteristics over a range of more than 14 octaves. This dual directional coupler is a convenient means of simultaneously monitoring forward and reflected power in RF power systems using normal laboratory oscilloscopes, voltmeters, power meters and spectrum analyzers. The Model DC3010A is particularly recommended for use with our "A" and "W" series amplifiers, and other amplifiers operating within the frequency and power range.