The PE43705 Evaluation Kit (EVK) includes the application software and hardware required to control and evaluate the functionality of the Digital Step Attenuator using a PC running the Windows operating system to control the USB interface board. The PE43705 is a 50Ω, HaRP™ technology-enhanced, 7-bit RF Digital Step Attenuator (DSA) designed for use in 3G/4G wireless infrastructure and other high performance RF applications.