The QATT-7G from Becker Nachrichtentechnik GmbH is a RF Variable Attenuator with Frequency 0.1 MHz to 8 GHz, Attenuation Range 0 to 95.25 dB, Attenuation Step 0.25 dB, Attenuation Accuracy ±0.5 to ±2 dB, Power 0.63 W. Tags: Rackmount, Programmable, USB Controlled. More details for QATT-7G can be seen below.