The RDB-10 is a handheld resistance decade box designed to create specific resistance values. It offers seven decades of resistance, providing a range from 1 Ω to 11,111,110 Ω in 1 Ω increments with a high accuracy of 1%. The device features 1-watt resistors, has an internal resistance of 0.3 Ω, and connects via two standard binding posts. Its ease of use makes it ideal for service, prototyping, engineering design, equipment calibration, and educational applications.