Vaunix Lab Brick Digital Attenuator LDA-602 50Ω, 6MHz – 6GHz, 63 dB, .5 dB Steps
It has an attenuation range of 63 dB and a step size of 0.5 dB. Software is available to download for free from Vaunix. Set includes a USB cable to interface with the software. Sparks, NV 89431. 230 Coney Island Dr.