The PE70A3901 from Pasternack is a 5 bit Programmable USB-Powered Digital Attenuator that operates from100 MHz to 40 GHz. The attenuator has a range of 30 dB with step resolution of 1 dB and 5 to 8 dB of insertion loss. The attenuator is controlled and powered via USB with driverless installation. It is available with 2.92mm input/output connectors and is ideal for use in labs for test measurement applications.