VAUNIX LDA-203 digital attenuator has an operating frequency of 1 to 20GHz and provides a 0 to 63dB attenuation range and a step size resolution of 0.5dB. Unit is powered and controlled by connection to a PC or self-powered USB hub and is programmable for fixed attenuation or swept attenuation ramps directly from the included graphical user interface (GUI) software. Easily programmable for ATE applications, device can also be used in WiMAX, 3G, 4G, LTE, DVB fading simulators and engineering and production test labs. http://www.vaunix.com
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