The 03.02.894 from Hytem is a 4-Way Variable Attenuator that operates from DC to 8 GHz. It has an attenuation step size of 0.25 dB and can handle an input power of 2 W (~33 dBm). This attenuator has a USB interface along with an RJ45 Ethernet interface with support for Power-over-Ethernet (PoE). It is available as a connectorized module.