The LDA-602EH Lab Brick USB programmable 50 Ohm high resolution digital attenuator has an input power of up to +28 dBm, and offers frequency coverage of 200 to 6,000 MHz. It has an attenuation range of 120 dB and a step size of 0.1 dB. The unit is powered and controlled by USB connection to a PC or self-powered hub, and is programmable for fixed attenuation or swept attenuation ramps directly from the included graphical user interface (GUI) software.