The 50P-2089 from JFW Industries is a 4-Channel USB-Based Solid-State Programmable Attenuator that operates from 200 to 6000 MHz. It has an attenuation range from 0 to 95 dB with 1 dB steps. This variable attenuator has an insertion loss of less than 8.3 dB and a VSWR of up to 2.0:1. All four channels can be independently controlled via a USB type-C interface and is also compatible with Python, C#, PuTTY (any development tool with COM port interfacing) test software programs. This attenuator is available in a module that measures 2.44 x 5.17 x 0.81 inches and has SMA (female) connectors.