The DAT64F from DS Instruments is a digital programmable RF attenuator that operates from 100 MHz to 6 GHz. This USB-controlled step attenuator has an attenuation range of 0 to 63 dB with 0.25 dB steps. It has a bright OLED display and front user control buttons from where it can be controlled. The attenuator has an insertion loss of under 7 dB and can handle an input power of up to 25 dBm. It is available in a compact benchtop module and is ideal for automated testing environments, cellular equipment testing, aerospace and defense research applications.