The LDA-302P-1 Lab Brick USB programmable 50 Ohm digital attenuator has an input power of up to +33 dBm, and offers frequency coverage of 10 to 3,000 MHz. It has an attenuation range of 63 dB and a step size of 1.0 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.